Online Test

Question # 1

The primary objective of the Entity-Relationship diagram is to represent:

Choose an answer

Entities

Relationship

Association

All of these

The escape sequence for backslash is:

Choose an answer

\

\b

\ \

\t

A person, place, thing or event about which data is kept in the database is called:

Choose an answer

Attribute

Field

Record

Entity

In hybrid distribution, what types of fragments are stored at only one site?

Choose an answer

Critical fragments

Non-critical fragments

Critical and non-critical fragments

Only large fragments

Each of the following is an example of a valid Access data type EXCEPT:

Choose an answer

Memo

Currency

Name

Text

Which of the following operators has lowest precedence

Choose an answer

!

+

=

Which data type is used to define a field that contains Web address as its context?

Choose an answer

Hyperlink

OLE object

Lookup Wizard

AutoNumber

In if statement , true is represented by:

Choose an answer

0

1

2

3

Field properties determine:

Choose an answer

Field size

Input mask

Default value

All

Which of the following is used to retrieve data from database and represent it to the user in a formatted way?

Choose an answer

Report

Form

Query

Table

Forms are designed to:

Choose an answer

Input data

Manipulate data

Accept change

All

-------------------- defines the nature of the relationship

Choose an answer

cardinality

entities

modality

none of these

All of the following are form layouts EXCEPT?

Choose an answer

Tabular

Columnar

Jutified

Relationship

When displaying a sub-form with in a main form, which form is based on the primary table?

Choose an answer

Neither main form nor sub-form

The sub-form

The main form

Both the main form and the sub-form

In relational data base, a table is also called:

Choose an answer

Tuple

Relation

File

Schema

Which object is used to retrieve data from database and present in formatted way?

Choose an answer

Report

Form

Table

Query

The columns of a relations can be of ___________ order.

Choose an answer

Any

Same

Sorted

Constant

The escape sequence for backspace is

Choose an answer

\

\b

\\

\t

The process data is called

Choose an answer

data

information

processing

none

A program used for producing an on-screen or printed documents from the database is known as:

Choose an answer

Security

Report generator

Query

SQL prompt

What is the value of "a" after the execution of the following code?

int a 25;

for(int c=0; c<4;c++)

a=a-1;

a=1+3;

Choose an answer

23

24

25

20

The header file that contains input and output functions is

Choose an answer

Math.h

Graphic.h

Stdio.h

Conio.h

The format specifier for output are:

Choose an answer

%d for int and %f for float

%c for char

%s for string

All

------------------- is created when two different names are used for the same information

Choose an answer

synonyms

homonyms

mutually exclusive data

redundant information

Organizing the database in computer disk storage is done in

Choose an answer

Logical design

Physical design

Analysis

Implementation

Which type of report lists every field for every record in a single column?

Choose an answer

Tabular report

Summary report

Columnar reports

All of these

The machine language instructions are written in ______

Choose an answer

Keyboard

Binary code

C

None of them

A candidate key is

Choose an answer

Primary key

The primary key selected to be the key of relation

A group attribute that can be the primary key

All of them

In 3NF, a non-key attribute must not depend on a :

Choose an answer

Non-key attribute

Key attribute

Composite key

Sort key

Which of the following is used to associate entities with one another?

Choose an answer

Entity

Attribute

Identifier

Relationship

Which of the following is NOT a database object?

Choose an answer

Table

Query

Report

MS word

Int type variable use -------------------- bytes in memory

Choose an answer

2

4

6

8

Which of the following is logical data type in MS Access?

Choose an answer

Boolean

Yes/No

True/false

Log

Which of the following is used to display yes/no values?

Choose an answer

Checkbox

Option button

Both a and b

None of these

% f is used for

Choose an answer

Double

Float

Integer

Short

A table should have :

Choose an answer

Primary key

Secondary key

Composite key

Sort key

The loop statements in a language are

Choose an answer

2

3

4

5

Which object is used to store data and define structure for the data in a database?

Choose an answer

Table

Macro

Form

Query

Which of the following statement is not true

Choose an answer

The field list displays all the fields from a form's under lying table or query

Click the field list button on the toolbar to display the field list

You can add fields to a form by dragging them from the field list onto the form

The field list displays all the fields from every table in a database

In a loop semicolon is placed at the end of condition:

Choose an answer

While

For

Do-while

None of these

When is for loop more appropriate then while loop?

Choose an answer

The termination condition is known in advance

The number of iterations is not known in advance

The loop should be executed only once

The loop should be executed at least once

How many times is the test expression of a switch statement evaluated?

Choose an answer

0

1

2

Once for each case

A key in a relation

Choose an answer

May not functionally determine any attribute in the row

Functionally determine only one attribute in the row

Functionally determine at least one attribute in the row

Functionally determine all the attribute in the row

Views are also called:

Choose an answer

Complex tables

Simple tables

Virtual tables

Actual tables

The type of files from usage point of view include:

Choose an answer

Master file

Transaction file

Backup file

All

Every relation should have :

Choose an answer

Primary key

Candidate key

Secondary key

Mutually exclusiveness

This means to increase a value by one:

Choose an answer

Modulus

Increment

Decrement

Inc

A calculated field ,,,,,,,,,(select all that apply)

Choose an answer

...............is a bound control

...............is a control that contains an expression

...............can perform calculations on field's values

..............can perform calculations on explicit values

A person's name, birthday and social security number are examples of:

Choose an answer

Attributes

Entities

Relationships

Descriptors

A constraint between two attributes is called:

Choose an answer

Functional relation

Attribute dependency

Functional dependency

Functional relation constaint

The function clrscr ( ) is defined in

Choose an answer

stdio.h

math.h

canio.h

graphic.h

Format specifier is started with:

Choose an answer

'?

&

%

None

Print() function can show

Choose an answer

Text

Value of variable

Constants

All

Variables are created in

Choose an answer

Ram

Rom

Hard disk

Cache

Which of the following is NOT a function of report?

Choose an answer

Display data

Edit data

Output of database application

Print data

The body of while loop with multiple statements ends with:

Choose an answer

Right bracket ]

Right brace }

Comma ,

Semi colon ;

A relation is known as

Choose an answer

table

tuple

relationship

attribute

The SQL statement to create a view is:

Choose an answer

CREATE VIEW

MAKE VIEW

SELECT VIEW

INSERT VIEW

A database containing all students in a class would store the information of individual students in:

Choose an answer

Record

Field

Cell

File

The process of changing of source code into object code is celled:

Choose an answer

Compiling

Executing

Linking

Saving

Assembly language is also called ______ language

Choose an answer

Symbolic

High-level

Low-level

intermediate-level

SQL is used for

Choose an answer

data definition

data manipulation

a and b

searching record

All numbers greater than 0 and less than 100

Choose an answer

< 0 and > = 100

> 0 and < = 100

< > 100

> = 1

The format specifier %u is used for:

Choose an answer

Integer

Unsigned short

Unsigned float

Unsigned long int

A collection of related fields is called:

Choose an answer

Character

Record

Database

file

All of the following are components of physical database design EXCEPT:

Choose an answer

Data volume and usage anylisis

Data distribution strategy

File organization

Normalize the relations

A table is a two-dimensional structure that consists of:

Choose an answer

x and y co-ordinates

Matrix elements

Rows and columns

Intersection of data

Which data type can be used to create a sequential number for each record that can also serve as primary key?

Choose an answer

Number

Memo

AutoNumber

Currency

______is a functional dependency in a relation between two or more non-key attributes

Choose an answer

Transitive dependency

Partial dependency

Repeating groups

None of these

Which variable should be used to store the value "I want an A in this exam".

Choose an answer

char

int

float

character

A request for information from a database in database terminology is called

Choose an answer

Report

Letter

Table

Query

In which loop the condition comes before the body of the loop?

Choose an answer

While loop

Do-while loop

For loop

B and C

Which file is used to store information that remains constant for a long time?

Choose an answer

Master file

Transaction file

Backup file

None

The forein key is found in:

Choose an answer

Parent table

Dependent table

Pivot table

Index table

The symbol '=' represents

Choose an answer

Comparison operator

Assignment operator

Equal to operator

None of these

Each item of information with in a record is called:

Choose an answer

File

Field

Both a and b

byte

A record in a database is the information refers to:

Choose an answer

Person

Product

Event

All

Which loop structure always executes at least once?

Choose an answer

Do-while

For

While

All

Which of the following key is used to to load a program in memory to run?

Choose an answer

ALT+F9

CTRL+F9

CTRL+S

ALT+F5

a+=b is equivalent to:

Choose an answer

b+=a

a=+b

a=a+b

b=b+a

Which of the following is NOT a valid identifier?

Choose an answer

return

myInt

myInteger

total3

Which of the following is used to create and modify a form?

Choose an answer

Form view

Table design view

Form design view

New Form view

How many are layout of report?

Choose an answer

2

3

4

5

An attribute is also known as

Choose an answer

table

elation

row

field

In relational database, table is also called:

Choose an answer

Table

Relation

File

Schema

An disadvantage of partitioning is:

Choose an answer

Complexity

Extra space and update time

Inconsistent access speed

All

A database containing all students in a class would store basic data of students in:

Choose an answer

Record

Field

Cell

File

The expression may be:

Choose an answer

Contant

Arithmetic expression

String

All

A set of related created and managed by a (DBMS) is called:

Choose an answer

Field

Record

Database

Module

Field properties are shown in :

Choose an answer

Design view

Datasheet view

A and B

None

Dummy question

Choose an answer

1

2

3

4

In 3NT which form of dependency is removed ?

Choose an answer

functional

non-functional

associative

transitive

The number of bytes used by char data type in C is:

Choose an answer

2

1

121

16

What is the value of "a" after execution the following code segment:

int a=2;

int b=0;

while(b<5)

{ a=a*2;

b=b+1;

}

a=a+1;

Choose an answer

64

65

66

67

The keyword used to come out of the body of loop is

Choose an answer

Exit

Continue

Break

Ebd

The extension for a video file is:

Choose an answer

.avi

.mpg

.txt

a and b

Which term describes the kind of values that a variable can store?

Choose an answer

Varaible name

Datatype

Varaibletype

Varaiblesize

%f is used for:

Choose an answer

Double

Float

Integer

Short

Any thing about which you store information in the database is known as:

Choose an answer

File

Inherent

Entity

Relation

The extension of object file is:

Choose an answer

.c

.txt

.obj

.h

Which character signifies the beginning of an escape sequence?

Choose an answer

{

\

/ /

/

________ contains icon button that are shortcuts to the commands in the menu

Choose an answer

Menu bar

Tool bars

Scroll bar

Status bar

Which of the following is NOT part of an if statement?

Choose an answer

A condition that evaluates as a Boolean

A condition that evaluates as true or false

A true block

All of are part of an IF statement

Which of the following statements is NOT legal?

Choose an answer

char ch='b';;

char ch='0'

char ch=65;

char ch="cc"

Which of the following is suitable for an input mask?

Choose an answer

Social security number

Telephone number

A date

All

The function used to show the output on screen is

Choose an answer

Printf()

Scanf()

Sqrt()

Main()

To be in 2NF every non key attribute must depend on

Choose an answer

Key

All parts of the key

Composite key

Both a and b

When does the code block following while (x<100) execute?

Choose an answer

When x is less then one hundred

When x is greater then one hundred

When x is equal to one hundred

None

Which is a loop statement?

Choose an answer

If

If-else

Switch

None of these

Which view can be used to enter or modify data in the underlying table?

Choose an answer

Form view

Table design view

Form design view

New Form view

A counter can be defined as:

Choose an answer

The final value of a loop

A variable that counts loop iterations

The initial value of a loop

The step value of a loop

Which data type is the default type?

Choose an answer

Memo

Number

Text

Autonumber

Which data type can be used to define a field that is also formatted for data entry and display?

Choose an answer

Text and Memo

Number and Currency

Date/Time

All

In an E-R diagram, a rectangle represents:

Choose an answer

Entity

Attributes

Relationship

None

The type of expression x > y is

Choose an answer

arithmetic

logical

relational

conditional

Which of the following is used to separate each variable while declaring more than one variable on the same line?

Choose an answer

Commas

Colons

Pipes

Semicolons

The number of characters in variable field is:

Choose an answer

Constant

Variable

10

100

Which of the following are valid variable names?

Choose an answer

Long

Integer

Notlongenough

Both B and C

How many primary keys can a table have

Choose an answer

One

At least one but not more than two

Between 1-5

No limit

The smallest meaningful unit of data in a database is called:

Choose an answer

Byte

Record

Character

Field

Format specifier is started with symbol:

Choose an answer

?

%

&

*

a+=b is equivalent to

Choose an answer

a+=b

a=+b

a=a+b

b=b+a

Header file in C contain:

Choose an answer

Compiler commands

Library functions

Header information of C programs

Operations for files

Which of the following is used to define objects and describe their characteristics

Choose an answer

Attributes

Relationship

Both a & b

None of them

Which file contains the program after translation into machine language?

Choose an answer

Object file

Exe file

Source file

None

Microsoft Access saves the database file with the extension:

Choose an answer

.mdb

.msdb

.madb

None of these

A form that contains the sub-form is called:

Choose an answer

Form

Main form

Report

None of these

Every relation must have:

Choose an answer

Primary key

Candidate key

Secondary key

All of these

Which is a valid statement for initializing of a variable?

Choose an answer

int n=100;

int x=50, y=75;

char grade='a'

All of these

A relation is in 2NF if it is in 1NF and all its non-key attributes are:

Choose an answer

Dependent on part of the primary key

Dependent on the entire primary key

Independent on the primary key

Independent of any other relation

Which of the following represents the entities?

Choose an answer

Teacher

Student

Aero plane

All

A collection of raw facts and figures is called:

Choose an answer

Data

Information

Operation

Processing

Which function is used to input data in C program?

Choose an answer

scanf

getch()

gets()

All

______ are used to move around the window if its contents do not fit on screen

Choose an answer

menu bar

Tool bar

Scroll bar

Status bar

An index can be used to :

Choose an answer

Improve the performance of the database

Document the structure of the database

Reduce data dependency for application programs

All

Which of the following is a valid character constant?

Choose an answer

a

"Hello"

'6'

=

Which field type can be indexed?

Choose an answer

Memo

Number

Hyperlink

OLE

Which of the following is the valid character constant

Choose an answer

A

"B"

"6"

=

getch() stands for:

Choose an answer

Go character

Get character

Give character

All

Which of the following is used to display a list of items in forms?

Choose an answer

List box

Combo box

Both a and b

None of these

Which programming structure executes program statements in order?

Choose an answer

Relation

Decision

Sequence

Repition

A ________ is used to perform the same sequence of steps or automating tasks repeatedly

Choose an answer

Macro

Module

Forms

Reports

Which of the following symbol is used to denote a pre-processor statement?

Choose an answer

%

$

#

@

An attribute that uniquely identify each row in a relation is called

Choose an answer

Column

Foreign

Primary key

Duplicate key

Insert command is used to insert:

Choose an answer

A new table

A new record

A view

Dependencies

From the following statement which is the control statement

Choose an answer

If

Else if

Switch

All of the above

A label is meaningful only for

Choose an answer

for

while

goto

all

A disadvantages of partitioning is

Choose an answer

Simplicity

Extra space and update time

Both a & b

None of them

Which is NOT a valid statement to initialize a variable?

Choose an answer

int n=100;

long,population=15000;

char n []="hello World";

cons int N=100;

Which of the following object is used to retrieve data from database and present in a formatted way ?

Choose an answer

report

form

table

query

A form that contains a sub form is called:

Choose an answer

Form

Main form

Report

None

Which one displays the result of a query?

Choose an answer

File

Field

Access

Reports

Which format property displays text in uppercase?

Choose an answer

Greater than sign

Less than sign

TEXT

Upper

In if statement, false is represented by :

Choose an answer

0

1

2

3

The first line in switch block contains:

Choose an answer

The value of the first criterion

The expression to be evaluated

The statement to be executed if none of the criteria are true

The statement to be executed if the criterion are true

A record is a complete set of ------------------- field

Choose an answer

distinct

all of them

A computer program written in a high-level language is called

Choose an answer

object code

re locateable code

source code

none of them

Which header file contains information about standard input/output function?

Choose an answer

stdio.h

math.h

Both A and B

None

How many types of relationship are there?

Choose an answer

2

3

4

5

Which of the following is not a data type ?

Choose an answer

text

number

picture

date/time

Which of the following object of database is used to retrieve data from database ?

Choose an answer

queries

forms

parts

tables

A collection of data that consists of name, address and email of a person is called:

Choose an answer

Byte

Record

Character

Field

Which of the following are properties of relations?

Choose an answer

Each attribute has a unique name

No two rows in a relation are identical

There are no multivalued attributes in a relation

All of the above

Every field in a table has:

Choose an answer

Field name and data type

field name and a field number

Field number and a data type

Field name, field number, and data type

the integer, long and short data types are known as:

Choose an answer

Integer data types

Non-integral data types

float data types

Non-numeric data types

DBA Stands for

Choose an answer

Database application

Database accumulator

Database administer

Database administration

The functions that are defined by programmer are called:

Choose an answer

User-defined

Subprograms

Subroutines

Built-in functions

Which of the following is basic data distribution strategy?

Choose an answer

Centralized

Partitioned

Replication

All

Which of the following is also known as data set?

Choose an answer

Record

Field

File

Module

This statement causes a loop to terminate early?

Choose an answer

Break

Terminate

Exit

A and B

One execution of a loop is known as a(n):

Choose an answer

Cycle

Duration

Iteration

Test

In 2NF, which form of dependency is removed ?

Choose an answer

associative

transitive

partial

functional

You can drag ___________________ bar to move property sheet window around screen:

Choose an answer

Title bar

Status bar

Scroll bar

All

A database is an organized collection of -------------------- related data

Choose an answer

logically

physically

loosely

badly

Format specifier starts with the symbol

Choose an answer

#

%

*

all

Which criteria can be used to find four-character name that starts with H?

Choose an answer

H*4

H?4

H???

H####

Which of the following is a compiler directive?

Choose an answer

#include<stdio.h>

Using namespace std;

main()

All

Which of the following work with files

Choose an answer

fsanf()

fprintf()

printf()

Both a and b

Which rule states that a record form a table cannot be deleted if its associated record exists in related table?

Choose an answer

Referential integrity

Entity relationship

Normalization

All

Which of the following represents a collection of concepts that are used to describe the structure of a database:

Choose an answer

Data warehouse

Data model

Data structure

Data type

Customers,cars and parts are examples of:

Choose an answer

Entities

Attributes

Cardinals

Relashionships

Which of the following language provided the basis for the development of c:

Choose an answer

C++

B

JAVA

Pascal

Go to statement can not work properly without

Choose an answer

condition

operator

label

none

What happens when the result of a calculation exceeds the capacity of data type?

Choose an answer

System error

Logic error

Syntax error

Over flow

Add new record to the table in datasheet by typing data beside the

Choose an answer

*

!

@

=

The data type can handle decimal places is:

Choose an answer

Long

float

char

string

Which escape sequence can be used to insert a tab in c:

Choose an answer

\a

\b

\t

\n

Which is an example of multiple branches form single expression?

Choose an answer

If statement

Switch statement

While loop

All

Which type of variable can store numbers data ?

Choose an answer

int

float

double

all

The attribute on the left side of the arrow in a functional dependency is called:

Choose an answer

Candidate key

Determinant

Foreign key

Primary key

In 3NF a non-key attribute must not depend on a

Choose an answer

Non-key attribute

Key attribute

Composite key

Sort key

The conditional part of if statement consists of expression

Choose an answer

arithmetic

logical expression

relational

both b and c

A factor to consider when choosing a file organization is:

Choose an answer

Fast retrieval

Security

Efficient storage

All

Which escape sequence is used to erase a character left to the cursor position?

Choose an answer

\b

\del

\f

\c

Which of the following view in MS Access is used to define the structure of table?

Choose an answer

Datasheet

QBE

Relationship

Design

How many form layouts are provided by MS Access?

Choose an answer

2

4

6

8

Which of the following are ingredients of data modeling?

Choose an answer

Entities

Attributes

Relationship

All

A case can be defined as:

Choose an answer

An individual condition to test

A set of condition of test

A statement that includes as if statement

A block of selection

What is the final value of x after executing the following code:

For (int x=0; x<10; X++)

Choose an answer

10

9

0

1

Another way to write the value 3452211903 is:

Choose an answer

3.452211903e09

3.45221193e-09

3.452211903×09

3452211903e09

Which is used to associate entities with one another?

Choose an answer

Entity

Attributes

Identifier

Relationship

Two or more attributes with different name but same meaning create a problem:

Choose an answer

Homonyms

Synonyms

Aliases

Alternate attributes

Which of the following database object is used to retrieve data form database ?

Choose an answer

Queries

Forms

Reports

Tables

Which of the following is NOT a characteristic of relation?

Choose an answer

Each row is unique

The order of columns is significant

The order of rows is insignificant

Columns are all elemental or atomic

The last statement of each case in switch must be a:

Choose an answer

Default statement

If-else statement

Break statement

Else statement

Which is true about a variable?

Choose an answer

The name and data value can both change

The name can change, but the data value cannot

The name cannot change, but the data value can

The name and the data value both cannot changed

A relation is in third normal form if it is in second normal form and:

Choose an answer

Dependent on part of the key

Dependent on the whole key

Independent of the key

Has no transitive dependencies

_______ is created when the same name is used for two different attributes

Choose an answer

Synonyms

Homonyms

Redundant information

Mutually exclusive data

Which of the following are required to declare a variable?

Choose an answer

keyword

Variable name

Data type

Both b and c

The loop structure in which condition comes after the body of the loop is

Choose an answer

While

Do-while

For

All

A logical grouping of characters is a:

Choose an answer

Field

Record

File

All

The types of files from usage point of view include

Choose an answer

master file

transaction file

back up file

all of them

Which of the following is the correct association?

Choose an answer

File = column

Record = row

Field = row

Record = table

Which of the following statements is the simplest form of a decision structure?

Choose an answer

Select..case

If statement

Try..Catch..Finally

Nested if

If x=10 and y=5,, what will the output of the following expression?

x>y? x*y: x+y

Choose an answer

5

10

15

50

Which of the following symbol is used with % sign to display output left-justified:

Choose an answer

-

/

\

L

Which data type can be used to define a field that consists of a maximum of 255 numbers or letters?

Choose an answer

Text

Memo

Number

Currency

How many types of loop structure are available in C?

Choose an answer

4

3

2

6

Which of the following is not a valid escape code?

Choose an answer

\t

\r

\y

\f

Another term for a conditional operator is:

Choose an answer

Ternary

Binary

Byte

Iteration

The table columns describe the ?

Choose an answer

data type

actual data

unique name

all

The number of bytes used by float data type in C is:

Choose an answer

2

4

121

16

Where should be the loop control variable initialized?

Choose an answer

Before the loop starts

In the first statement of the loop body

In the last statement of the loop body

Anywhere in the loop body

C language has --------------------- key words

Choose an answer

50

45

32

27

A report is a complete set of _______ field:

Choose an answer

Distinct

All

The conditional portion of the If statement can contain:

Choose an answer

Any valid constant

Any expression that can be evaluated to a Boolean value

Any valid variable

Any valid constant or vairable

B was developed in the year:

Choose an answer

1969-70

1965-1975

1972-1988

1992-1996

The operators to compare operands and decide if the relation is true or false are:

Choose an answer

Arithmetic operators

Logical operators

Syntax operators

Relational operators

A loop with in a loop is called:

Choose an answer

Nested loop

Complex loop

Infinite loop

Dual loop

The number of bytes used by long int data type in C is:

Choose an answer

2

4

12

16

Which of the following function is used to read a string from a file

Choose an answer

puts()

Pute()

fputs()

fgets()

If we want a user to enter exactly 20 values, which loop would be the best to use?

Choose an answer

While

Do-while

For

Infinite

Which data type can be used to define a field that contains data content such as a chart, picture, or graphic object?

Choose an answer

Hyperlink

OLE object

Memo

Auto number

When a relational expression is false, it has the value __________

Choose an answer

0

1

<0

S

Which of the following is used for making two way decision:

Choose an answer

if-else

If

Nested if

Switch

Which of the following is a valid format specifier

Choose an answer

%10d

%7.2f

%-7f

all

Create command is used to create:

Choose an answer

Table

View

Report

Query

The programmer usually enters source code into a computer using:

Choose an answer

Compiler

Text editor

Debugger

Linker

Which is a valid statement for declaring a variable?

Choose an answer

int marks;

int a,b,c;

Double salary;

All

A primary key that consists of more than one attribute is called a

Choose an answer

Foreign key

Composite key

Multi-valued key

Global key

Which of the following activities are involved in data analysis?

Choose an answer

Data flow diagram

Decision Tables

Decision Trees

All

Which escape sequence can move the cursor at the beginning of current line

Choose an answer

\a

\b

\t

\n

Which of the following is not a valid variable name ?

Choose an answer

Roll No

Roll-No

Roll #

The data in tables is entered in:

Choose an answer

Design view

Normal view

Datasheet view

Layout view

Which of the following statement about the Auto Form Wizard is not true

Choose an answer

The Auto Form Wizard is the fastest & easiest way to create a form in Ms-Access

The Auto Form Wizard can only create five types of forms

Forms created with the Auto Form Wizard usually came out looking sharp and professional & don't require any further clean up work

The Auto Form Wizard can only create forms based on a single table or query

Which escape sequence can move the cursor at the beginning of current line in C?

Choose an answer

\a

\b

\m

\r

A report may be based on a :

Choose an answer

Table

Query

Both a and b

None

An if statement inside the true block of another if statement is called:

Choose an answer

A nested if statement

A branched if statement

A conditional operator

A relational operator

Which of the following escape sequence is used for beep

Choose an answer

/a

/b

/t

/n

Which loop statement executes the body of loop at least once?

Choose an answer

do-white

While

For

None of these

In 3NF, a non key attribute must not depend on a

Choose an answer

non key attribute

key attribute

composite key

sort key

A process of assigning initial value to a variable at the time of declaration is called:

Choose an answer

Assigning

Initializing

Naming

setting

A loop within another loop is called

Choose an answer

Inner loop

Nested loop

Counter loop

None

C is ------------------ level language

Choose an answer

high

medium

low

a and b

Which of the following is an example of a database?

Choose an answer

Liberary management system

Accounts & inventory system

College management system

All

Which is not a logical operator?

Choose an answer

||

!

!=

&&

Which of the following looks for the prototypes of functions used in a program

Choose an answer

Linker

Loader

Compiler

Parser

An attribute is also known as a:

Choose an answer

Table

Row

Relation

Field

C programming language was developed for --------------------

Choose an answer

Dos

Windows

Unix

Xenix

The three programming structures are:

Choose an answer

Sequence, decision, and repition

Process, decision, and alternation

Sequence, definition, and process

Relation, comparison, and process

The output of a query is in the form of a

Choose an answer

table

form

report

tables

Microsoft Access saves the database with extension

Choose an answer

mdb

msdb

madb

none of them

On successfully closing a file the f close () returns

Choose an answer

Null

0

1

File pointer

The functions used for input and output is stored in:

Choose an answer

stdio.h

conio.h

math.h

inout.h

The float, long float and double data types are known as:

Choose an answer

Integer data

character data

Integral data

Real data

Which of the following format specifiers is used for integer data type?

Choose an answer

%d

%s

%c

%f

When is while loop more appropriate then for loop?

Choose an answer

The terminating condition occurs unexpectedly

The body of loop will be executed at least once

The program will be executed at least once

The number times the loop will be executed is known before the loop executes

Which component of physical database design refers to the consistency of data?

Choose an answer

Indexes

Integrity constaint

File organization

Data distribution strategy

An expression that uses a relational operator is known as:

Choose an answer

Operational

Sequential

Serial

Relational

Ms.Access is an example of

Choose an answer

Simple database

Flat file database

Relational database

All of above

A technique for physically arranging the records of a file on secondary storage devices is called:

Choose an answer

Physical pointer

Retrieval program

File organization

Update program

The 1NF describes the tabular format in which:

Choose an answer

All the key attributes are defined

No repeating groups in the table

All attributes are dependent on primary key

All

Which of the following syntax is used to include header file?

Choose an answer

#include<name of header file>

#include"name of header file"

Both a or b

None of these

Which of the following may be a temporary life?

Choose an answer

master File

transaction file

back up file

none of these

How many are basic layouts of forms in Microsoft Access?

Choose an answer

2

3

4

5

In a relational database a single piece of information is called:

Choose an answer

Table

Record

Entity

Attribute

Another term for a conditional operator is:

Choose an answer

Ternary

Binary

Byte

Iteration

If n=3, what will be the value of n after executing the following code?

do

n*=2

while (n<48);

Choose an answer

24

32

48

96

A IDE typically consists of:

Choose an answer

Text editor

Compiler

Debugger

All

A two-dimensional table of data is called a

Choose an answer

group

set

declaration

relation

Which are basic data distribution strategies?

Choose an answer

Centralized

Partitioned

Replication

All

To select all records that begin with letters A through G

Choose an answer

<="G"

Like "G"

<> A

> A

Which escape sequence can be used to beep from speaker in c:

Choose an answer

\a

\b

\m

\n

All the intersection of rows and columns must have:

Choose an answer

Single value

Constant value

Multiple values

No value

Which of the following loop is called counter loop?

Choose an answer

For

While

Do-while

All

What does a compound condition use to join two condition?

Choose an answer

Relational operator

Logical operator

Relational Results

Logical results

The loop structure that executes at least ones is

Choose an answer

While

Do-while

For

All

The number of bytes used by double data type in C is:

Choose an answer

2 (8) 8

12

6

_______________ refers to a method of database distribution in which different portions of database reside at different nodes in the network.

Choose an answer

Spliting

Partitioning

Replication

Dividing

The columns of a table correspond to:

Choose an answer

Table

Record

Field

Cell

Conditional operator is an alternative of:

Choose an answer

if

if-else

Nested if

All

Which of the following function is used to input data in C programs?

Choose an answer

Scanf

Printf

Get()

getch()

The relationship can be:

Choose an answer

One-to-one

One-to-many

Many-to-many

All

Data type int contain bytes:

Choose an answer

10

4

2

1

Which of the following is NOT displayed in Design view?

Choose an answer

The data type of each field

The components of each filed

The properties of the selected field

The field names

The loop which never ends is called:

Choose an answer

Infinite loop

Running loop

Continuous loop

Nested loop

A field's width indicates:

Choose an answer

Number of characters it can contain

Number of inches it takes on the screen

Number of pixels it takes on screen

Number of characters visible to the users

The function getche( ) is defined in

Choose an answer

stdio.h

string.h

math.h

conio.h

Microsoft access saves the database with the extension:

Choose an answer

.mdb

.msdb

.madb

.mxls

As ampersand before the name of a variable denotes:

Choose an answer

Actual value

Variable name

Address

Data type

An entity related to itself in an ERD model refers to

Choose an answer

recursive relationship

one-to-many relationship

many to many relationship

on to one relationship

Which of the following is not a good primary key

Choose an answer

Social security number

Order number

Zip code

STD ID number

The output of a compiler is called:

Choose an answer

Library code

Source code

Linked code

Object code

CREATE command is used to create:

Choose an answer

Record

View

Report

Query

This statement may be used to stop a loop's current iteration and begin once:

Choose an answer

Continue

Break

Terminate

Skip

C is a:

Choose an answer

High Level language

Low-level language

Assembly language

Machine language

Local variables are also called:

Choose an answer

Automatic variables

Global variables

Grid Variables

None of these

Relationship are

Choose an answer

uni-directional

bi-directional

tri-directional

none of these

Which of the following key does not hold uniqueness property ?

Choose an answer

candidate key

foreign key

primary key

Secondary key

What symbol indicates that you are editing a record?

Choose an answer

Pencil

Black arrow

Key

Asterisk

Storing the same information in two different ways or forms is called

Choose an answer

database integrity

redundant information

homonyms

mutually exclusive data

The extension of C source program is:

Choose an answer

.h

.c

obj

.exe

Which of the following activities involved in data processing?

Choose an answer

Data capturing

Data manipulation

Managing output

All

The extension of the header file is:

Choose an answer

.CPP

txt

.c

.h

Which Auto form displays one record at a time ?

Choose an answer

Tabular

Columnar

Datasheet

Justified

A for statement contains three expressions: Initialization, test and:

Choose an answer

Assignment

Validation

Increment / decrement

All

The name cannot exceed characters in length

Choose an answer

64

50

56

70

Organizing the database in computer disk storage is done in:

Choose an answer

Logical design

Physical design

Analysis

Implimentation

Which of the following is not an example of high-level language

Choose an answer

Fortan

Basic

Assembly

C

A row of a relation is called:

Choose an answer

Attribute

Entity

Tuple

a and c

Format arguments are also called

Choose an answer

Actual arguments

Dummy arguments

Original

Referenced arguments

Which of the following view in MS Access looks like an electronic spreadsheet?

Choose an answer

Datasheet

QBE

Relationship

Design

Any array script should be:

Choose an answer

Int

Float

Double

Array

Conditional operator is also called:

Choose an answer

True operator

Ternary-operator

Truth operator

All of these

The instruction that is used to execute a statement or set of statements is

Choose an answer

while

for

do-while

all

SQL is

Choose an answer

structure query language

unstructured language

object oriented language

SAM query language

A virtual table that is constructed form other tables is called:

Choose an answer

Table

View

Relation

Tuple

Which view is used to add, edit or delete records form a table?

Choose an answer

Record view

Datasheet view

Design view

Edit view

The extension of program file is:

Choose an answer

.com

.exe

Both a and b

None

Which of the following loop is available in C language?

Choose an answer

While

Do-while

For

All

The C statements are normally written in -------------------- letters

Choose an answer

lower-case

key words

upper-case

a or c

The function that is used to display output on screen is called:

Choose an answer

printf

scanf

pow

Display

The number of bytes used by int data type in C is:

Choose an answer

2

8

12

16

If for each entity in B there is only one related entity in A then the relationship between the entities is

Choose an answer

One to one

One to many

Many to many

None

Switch statement is an alternative of:

Choose an answer

if

if-else

Nested if

Nested if-else

---------------- are written before the main () function

Choose an answer

C statements

preprocessor directives

linking instructions

both a and b

A factor consider when choosing a file organization is

Choose an answer

Fast data retrieval

Security

Efficient storage

All of them

Which of the following may be a temporary file?

Choose an answer

Master file

Transaction file

Back up file

None

Why are validation rules used in a database?

Choose an answer

Ensure correct data is entered

To avoid typing errors

Both A and B

Neither A nor B

Which of the following set (s) of tables would benefit from a sub form

Choose an answer

A customer table and the customer order table

A customer table and product table

A customer table and foreign currency table

A customer table and a customer contact table

Which is related to modality?

Choose an answer

Optional

Mandatory

Unidirectional

Both A & B

The foreign key is found in:

Choose an answer

Parent table

Dependent table

Pivot table

Index table

The set of statement that executes repeatedly due to loop statement in called

Choose an answer

code of loop

body of loop

loop structure

all

Which form of dependency is removed in 2NF?

Choose an answer

Functional

Transitive

Associative

Partial

A report that provides a column for each field of the records in rows under the column header is know as:

Choose an answer

Tabular report

Columnar report

Datasheet report

Justified report

Who developed C?

Choose an answer

Von-Meumann

Al-Khuwarizmi

Charles Babbage

Dennis Ritchie

Which programming structure makes a comparison?

Choose an answer

Relation

Decision

Sequence

Repitition

Which escape sequence can be used to begin a new line in C?

Choose an answer

\a

\b

\m

\n

------------- is the process of converting complex data structures into simple and stable data structures

Choose an answer

database integrity

homonyms

normalization

mutually exclusive data

Which of the following is NOT legal element of control string in printf statement?

Choose an answer

Ordinary characters

Escape sequence

Format specifier

Variables

An attribute is also known as:

Choose an answer

Table

Field

Row

Relation

What is the term for a for a characteristic or attribute of an object that determines how the object looks and behaves?

Choose an answer

Color

Property

Size

Orientation

The case block ends with:

Choose an answer

End select

End case

Break;

Case else

The rows of a relations can be of ___________ order.

Choose an answer

Any

Same

Sorted

Constant

Which of the following is displayed by printf function?

Choose an answer

Text

Constant or values of variable

A and B

Graphics

Different attributes in two different tables having same name are called:

Choose an answer

Synonym

Homonym

Acronym

Mutually exclusive

Which of the following type of file require largest processing time?

Choose an answer

Sequential file

Random file

Indexed sequential file

Direct access file

Which of the following things are determined by format specifier?

Choose an answer

Data type

Field width

Format of the value

All of these

A single report can display data from:

Choose an answer

One table

Many tables

Both A and B

None of these

SQL stands for:

Choose an answer

Sort Query Language

Self Query language

Seek Query language

Structured Query Language

DBMS stands for

Choose an answer

Database management system

Database mechanism system

Database manipulating system

Database Microsoft system

Which of the following are basic data distribution strategies

Choose an answer

Centralized

Partitioned

Replication

All of them

The manipulated and processed data is called:

Choose an answer

Object

Information

Knowledge

Data

The program structure that executes program statements in order is

Choose an answer

selection

sequence

repetition

iteration

The number of bytes used by 'int' data type in C are:

Choose an answer

2

8

12

16

Which of the following is a possible value of flag?

Choose an answer

-

+

Space

All

C was developed in the year:

Choose an answer

1970

1972

1976

1995

Which of the following file contains the software instructions?

Choose an answer

Program file

Data file

Both a and b

None

Each separate piece of information stored in a record is called:

Choose an answer

Table

Record

Field

Query

Function prototypes for built-in functions are specified in

Choose an answer

Source files

Header files

Object files

Image files

Key is used in

Choose an answer

If statement

Else if statement

Switch statement

All of the above

Which key does not have uniqueness property?

Choose an answer

Candidate

Foreign key

Primary key

Secondary key

Which of the following data type is used to store string value:

Choose an answer

char

float

string

long

break keyword is used in

Choose an answer

If statement

If-use

Else-if

None of the above

The columns of a table correspond to:

Choose an answer

Table

Record

Field

Cell

Computer program are also known as:

Choose an answer

Hardware

Software

Firmware

None

Another term for a computer making a decision is:

Choose an answer

Sequential

Selection

Repetition

Iteration

Which of the following anomalies result from a transitive dependency ?

Choose an answer

Insertion

Modification

Deletion

All

The statement printf ("%10d",n) will display the value of n:

Choose an answer

Right justified in ten-character space

Left justified in ten-character space

Center-justified in ten-character space

None of these

A constraint that no primary key should contain nulls is known as:

Choose an answer

Normalization

Dependence

Entity integrity

SQL query

Computer programs are also known as:

Choose an answer

Software

Procedure

Hardware

Algorithm

Which of the following data types is most appropriate for storing a name?

Choose an answer

float

int

char

long

The body of for loop with single statement ends with:

Choose an answer

Right bracket ]

Right brace }

Comma ,

Semi colon ;

Which statement is true about data types?

Choose an answer

Data type has no memory requirements

Each data type has different memory requirements

Each data type has same memory requirements

None of the above

An MS Access table contains:

Choose an answer

Fields

Records

Characters

All

Semicolon is placed at the end of condition in:

Choose an answer

While loop

Do-while loop

For loop

All

Repetition structure is used to execute a statement or set of statement

Choose an answer

Once

More than one time

Skip statement

All

The processing of running an executable file is known as:

Choose an answer

Debugging

Compiling

Executing

Saving

Basic, fortan cobol, Pascal, C etc are -------------- language

Choose an answer

high-level

lovel-level

medium-level

intermediate-level

Which of the following key is used to compile a program:

Choose an answer

ALT+F9

CTRL+F9

CTRL+S

ALT+F5

A ------------------- Auto form displays one record at a time

Choose an answer

tabular

Columnar

datasheet

justified

The symbol '=' represents:

Choose an answer

Comparison operator

Assignment operator

Equal to operator

None of these

The basic structure of C program consists of:

Choose an answer

Preprocessor Directive

Main () function

Program body

All

We can make two way decisions with the help of

Choose an answer

if

nested

if-else

all

The table in which is found is called Dependent Table.

Choose an answer

Foreign Key

Control key

Primary key

Sort Key

The name of header file is written between:

Choose an answer

[ ]

( )

< >

<< >>

A memory location with some data can be changed is celled:

Choose an answer

Constant

Variable

Named constant

Address

Database integrity refers to the

Choose an answer

Correctness of data

Consistency of data

Both a and b

None of these

Which can be previewed on the screen before printing?

Choose an answer

Report

Form

Sub-form

None

Which format specifier is used for integer data type?

Choose an answer

%d

%c

%s

%f

A collection of data that include name address phone number etc of a person

Choose an answer

Byte

Record

Character

Field

A data model is :

Choose an answer

A logical representation of the structure of the database

Shown as an entity-relationship diagram

Transformed into tables and relationships

All

stdio.h is part of:

Choose an answer

Comment section

C standard library

Compiler

Main function

The operator that needs one operand is called

Choose an answer

unary

binary

ternary

all

Which of the following statement is correct?

Choose an answer

float num1;num2;

int day,night;

int continue=5.0;

string black='white';

In a relational database, a single piece of information is called:

Choose an answer

Table

Record

Entity

Attribute

Which type of variable can store real value

Choose an answer

int

long int

char

Float

Which button of Find an Replace dialog box is clicked to start the search process?

Choose an answer

Find

Find Next

Search

Skip

The process of arranging data in a logical sequence is called:

Choose an answer

Sorting

Summerizing

Data capturing

Classifying

A person's account, car and house are considered:

Choose an answer

Object

Table

Record

Field

Choose an answer

mendatory

optional

may be many

none of theses

How many table views are available in Microsoft Access?

Choose an answer

4

3

2

1

Which of the following format specifiers is used for character data type?

Choose an answer

%d

%s

%c

%f

An array subscript should be

Choose an answer

Int

Float

Double

An array

How many types of data

Choose an answer

2

3

4

5

The keyword 'break' cannot be used within:

Choose an answer

Do-while

If-else

For

While

Getch stands for:

Choose an answer

Go character

Give character

Get character

All of these

Which data type can be used to define a field that consists on only numbers to be used in calculations?

Choose an answer

Text

Memo

Number

Date/Time

In Access, the structure of a table is created in -------------- view

Choose an answer

design view

data sheet view

a and b

none of them

How many characters Memo can store?

Choose an answer

1024

64,000

16

4

The goal of normalization is to:

Choose an answer

Get stable data structure

Increase number of relation

Increase redundancy

Remove constraints

SQL can be used to:

Choose an answer

Create database structures only

Query database only

Modify database data only

All

Conditional operator is alternative of:

Choose an answer

If

If-else

Nested if-else

None of these

______ are used to enter data into databases

Choose an answer

Queries

Reports

Tables

Forms

Which operator in C is called a ternary operator?

Choose an answer

if

++

?

( )

Which character signifies the beginning of an escape sequence?

Choose an answer

{

\

//

/

Which key is used to move form field to field in Table window of Datasheet view?

Choose an answer

Tab

Esc

Enter

Spacebar

Assembly language is usually used for ______ writing

Choose an answer

System software

Application program

Firmware

A and C

While loop is also called:

Choose an answer

Conditional loop

Wend loop

Counter loop

Continuous loop

A relation is also known as:

Choose an answer

Table

Tuple

Relationship

Attributes

The ______ errors in a program are most difficult to locate and remove

Choose an answer

Logical

Syntax

Grammatical

Spelling

A form with in another form is called:

Choose an answer

Sub-form

Main form

Multi-form

None

_______ function is used to copy a string to an array of characters

Choose an answer

fputs()

Strepy

fgets

gets()

Which escape sequence can be used to begin a new line in C-language?

Choose an answer

\a

\b

\n

How many times the instruction in the body of following loop will execute for (x = 1; x < 5; x ++)

Choose an answer

3

4

5

6

The value of expression in switch statement must be type of

Choose an answer

int

char

float

both a and b

Object used to retrieve data from database is called:

Choose an answer

Forms

Repons

Queries

Tables

A memory location with some data that cannot be changed is called:

Choose an answer

Constant

Variable

Keyword

Address

Find and Replace command is found in:

Choose an answer

Edit menu

File menu

Tool

View menu

Which of the following cannot be use in variables names?

Choose an answer

numbers

under score

alphabets

space

Which option in MS Access is used to create a new database form scratch?

Choose an answer

Access template

Blank database

Existing databse

New folder

Which of the following options is used fro editing forms in MS Access?

Choose an answer

Grid lines

Snap to grid

Resizing objects

All

Stdio stands for:

Choose an answer

Standard input output

Symbolicinput output

Simpleinput output

Stringinput output

Which of the following data model is more flexible?

Choose an answer

network model

hierarchical model

index sequential file

direct access file

Which is not possible

Choose an answer

Nesting if statement

Loop in the body of statement

If statement in the body of loop

None of above

A functional dependency between two or more non-key attributes is called:

Choose an answer

Partial functional dependency

Partial non-key dependency

Transitive dependency

None

A collection of raw facts and figures is called:

Choose an answer

Data

Information

Processing

Knowledge

A table most has

Choose an answer

primary key

secondary key

composite key

sort key

Which of the following is NOT included in the definition of an entity?

Choose an answer

Person

Object

Concept

Action

Which form of dependency is removed n 3NF?

Choose an answer

Functional

Non-functional

Associative

Transitive

Optional is represented by

Choose an answer

0

1

2

none of these

Which of the following methods are used for creating a table in Access?

Choose an answer

Creating table in Design view

Creating table by using wizard

Creating table by entering data

All

Preprocessor directives are command for:

Choose an answer

Microprocessor

Language processor

C Preprocessor

Loader

Which of the following file is used to store additional copy of data?

Choose an answer

Master file

Transaction file

Backup file

None

C was designed to write program for:

Choose an answer

Windows operating system

Solaris Operating system

Unix Operating system

OS/2 Operating system

A rule that states each foreign key value must match a primary key value in the other relation is called:

Choose an answer

Referential integrity constraints

Key match rule

Entity key group rule

Foreign/ primary match rule

The general form of format specifier for floating point value:

Choose an answer

%m.nf

m.n%

m%.nf

m.n%f

------------ is a constraint on primary values that states that no attribute of a primary key should contain nulls

Choose an answer

referential integrity

entity integrity

normalization

acronyms

Which is needed to add, edit or delete records from a table?

Choose an answer

Record view

Datasheet view

Design view

Edit view

Which is the correct sequence of steps for creating and executing C program?

Choose an answer

Editing→ saving→ compiling→ linking→ Executing

Compiling→Editing→ saving→ Executing→ linking

Editing→ Executing→ Compiling→ Linking

Linking→Executing→ saving→ Editing→ compiling

This loop is a good choice when you know how many times you want the loop to iterate in advance of entering the loop?

Choose an answer

While

Do-while

For

Nested

C was developed in the year:

Choose an answer

1970

1972

1976

1995

A loop whose execute never ends is called

Choose an answer

Nested loop

Forever loop

Infinite loop

Counter loop

An entity related to itself in an ERD model refers to :

Choose an answer

Recursive relationship

One-to-many relationship

Many-to-many relationship

One-to-one relationship

The logical not operator denoted by is

Choose an answer

Ternary operator

Unary operator

a=a+b

b=b+a

Which of the following keys us not unique:

Choose an answer

Candidate key

Forein key

Primary key

Secondary key

Which of the following is a decision making statement

Choose an answer

break

getch ( )

if

all

An advantage of partitioning is:

Choose an answer

Efficiency

Extra space

Reliabilty

Accuracy

Which statement is used to move the control to the start of loop body?

Choose an answer

Continue

Break

Switch

Goto

The expression in define directive:

Choose an answer

Can only be changed at the end of the program

Cannot be changed but can be redefined

Cannot be assigned a value

Cannot be changed

All records in a file have the same:

Choose an answer

Contents

Structure

Order

Key

The output of the statement print ("%2f', 11.4519), is

Choose an answer

11.4519

11.45

11.51

11

Types of translators are:

Choose an answer

Compiler

Interpreter

Assembler

All of these

How many types of loop structure are available in C language?

Choose an answer

While

Do-while

For

All

Redundancy means

Choose an answer

Duplication

No-duplication

Standards

Microsoft office integration

In which loop the condition comes after the body of the loop?

Choose an answer

While loop

Do-while loop

For loop

B and C

The ------------------- translates the source program into the machine code or object code

Choose an answer

compiler

assembler

interpreter

all of them

Which does not improve data entry?

Choose an answer

Input masks

Validation rules

Indexing

Required fields

The data or information that describes an entity is called:

Choose an answer

Attribute

Data item

Record

Tuple

Which of the following is NOT suitable for an input mask?

Choose an answer

Street address

Telephone number

A date

Social security number

Which of the following format specifiers is used for float data type?

Choose an answer

%s

%c

%d

%f

A two-dimensional table of data is called:

Choose an answer

Group

Set

Module

Relation

The high-level languages are ----------------

Choose an answer

machine depdendent

not machine dependent

expensive

more easier to learn

Manipulated of data to achieve required objectives and result is called:

Choose an answer

Data processing

Operation

a and b

None

This is a control structure that causes a statement or group of statement to repeat:

Choose an answer

Decision statement

Duration

Iteration

Test

The columns of a table correspond to:

Choose an answer

Table

Record

Field

Cell

Which is a numeric data type ?

Choose an answer

float

int

Both a and b

char

A file is stored in:

Choose an answer

RAM

ROM

Cache

Hard disk

An IDE stands for:

Choose an answer

Input data error

Input Desktop environment

Integrated Development Environment

Internal Disk error

The number of characters in fixed-length field is:

Choose an answer

Constant

Variable

10

100

Relational operators allow you to _____________ numbers.

Choose an answer

Compare

Add

Multiply

Divide

In relational database a table is also called a:

Choose an answer

Tuple

Relation

File

Schema

Microsoft access saves the database with the extension:

Choose an answer

mdb

msdb

madb

txt

A field is to a record as:

Choose an answer

Data are to files

A column is to a row

Files are to tables

Attributes are to columns

How many table views are available in MS Access?

Choose an answer

1

3

2

4

Compiled programs typically execute faster because:

Choose an answer

Compiled programs are read and executed a line at a time

Compiled programs are already in a machine-readable form.

Compiled programs do not require any data

None of these

An integer variable can store the value:

Choose an answer

-1.1

"123"

32898

5.5

The name of actual and formal parameters

Choose an answer

May or may not be same

Must be same

Must be different

Must be in lowercase

Query is a statement in the SQ that extracts specific:

Choose an answer

Information

File

Application

Wizard

An index may be created on:

Choose an answer

Primary key

Secondary key

Foreign key

All

The statement printf ("%-10d",n) will display the value of n:

Choose an answer

Right justified in ten-character space

Left justified in ten-character space

Center-justified in ten-character space

None of these

Conditional operator takes:

Choose an answer

Three operands

Two operands

One operands

Many operands

Data is a combination of

Choose an answer

Fact & figure

Constant

Numbers

Special characters

Conditional operator takes _____________ operands.

Choose an answer

3

2

1

5

A \t is used for:

Choose an answer

New line

Tab

Back space

None of these

Switch statement must use the keyword

Choose an answer

Case

Default

Break

All of the above

The maximum numbers of tables in a database can be:

Choose an answer

1

2

3

Any

The keyword used to transfer control from the body of loop to the start of loop is

Choose an answer

Exit

Continue

Break

End

The foreign key is found in

Choose an answer

parent table

dependent table

pivot table

index table

How many types of relationship can be used?

Choose an answer

2

3

4

5

Variable and constant names can not contain a(n):

Choose an answer

Number

Underscore

Upper case letter

Lower case letter

Which of the following menus is used to switch between table views?

Choose an answer

Edit

File

Tools

View

Which of the following is the fundamental language of the computer

Choose an answer

C

Unix

Dos

Machine language

A______stream is a sequence of characters

Choose an answer

Binary

Text

Both a and b

None of these

Which is used to display yes/no values:

Choose an answer

Check box

Option buttons

Both a & b

None of these

Which is displayed in title bar of an open database?

Choose an answer

Program name

Database name

Object type

All of these

The process of linking library files with object code is known as:

Choose an answer

Compiling

Executing

Linking

Saving

You can use a decision statement to:

Choose an answer

Run a series of statements if a test fails

Test series of conditions

Test whether a condition is true or false

All of these

An advantages of partitioning is

Choose an answer

Efficiency

Extra space and update time

Both a & b

None of them

Database integrity refers to the

Choose an answer

correctness of data

consistency of data

both a and b

none of these

a + = b is equivalent to:

Choose an answer

b + = a

a = + b

a = a + b

b = b + a

Which data type offers the highest precision?

Choose an answer

Float

Long int

Long double

Unsigned long int

SQL is a(n):

Choose an answer

Unstructured language

Structured language

Object oriented language

Software

_______________ refers to a method of database distribution in which one database contains data that are included in another database.

Choose an answer

Splitting

Partitioning

Replication

Dividing

____________ is used to specify two different choices with "if" statement.

Choose an answer

Switch

Else

If

If-else

Which programming structure makes a comparison?

Choose an answer

Relation

Decision

Sequence

Repetition

An example of a query is:

Choose an answer

Selection of all records that match a set of criteria.

Importing of a spreadsheet file into the database

Search for a specific record

Both a and c are correct

Which of the following can be used as flag value

Choose an answer

+

#

-

all

In C program two functions can have

Choose an answer

Same name

Same parameters

Same name & parameters

Same name but different parameters

Which of the following is a loop statement?

Choose an answer

If

If-else

Switch

None

Which of the following is an image file extension?

Choose an answer

.tif

.jpg

.bmp

All

The function used to input data in C program is

Choose an answer

Print ()

Scanf ()

Sqrt ()

Main ()

What is the default field size of a text data type field?

Choose an answer

2

5

20

50

The attribute on the left hand of the arrow in a functional dependency is:

Choose an answer

Candidate Key

Determinant

Foreign Key

Primary Key

The columns of a table correspond to

Choose an answer

table

record

field

cell

conio stands for :

Choose an answer

Character input output

Consoleinput output

Commoninput output

Complexinput output

In an E-R diagram a rectangle represents

Choose an answer

Entity

Arttibute

Record

None of them

Which data type is used to store numeric value with no decimal point?

Choose an answer

int

char

float

All

Which is NOT a rule for naming variables?

Choose an answer

Use a descriptive name for the value

Start the name of variable with a letter

Use nothing but letters, digits, or the underscore character

All the above

Which of the following operations has lowest precedence?

Choose an answer

!

+

=

==

How can you view a report's sorting & grouping options

Choose an answer

Select format ^___> sorting & grouping from menu

By double clicking report selector box in the upper left corner of the report

Select file ^___> page setup from the menu and click the sorting and grouping tab

Click the sorting and grouping button on the toolbar

The views are used :

Choose an answer

To hide columns

To hide rows

To hide complex SQL statements

Al of the above

A data base consists of various components called:

Choose an answer

Tools

Properties

Entities

Objects

Turbo C++ can compile:

Choose an answer

C programs only

C and C++ programs

Turbo C Programs only

Turbo C++ programs only

Variable are created in:

Choose an answer

RAM

ROM

Hard Disk

USB

From the following which is called control statement

Choose an answer

If

If-else

Else-if

All of the above

The forms are ___________ end of our database in Microsoft Access.

Choose an answer

Back

Front

Both A and B

None

A printed data or information in the database is called

Choose an answer

Entity

Report

Query

Screen

Which of the following is New record button in MS Access?

Choose an answer

*

$

#

|

Which format specific is used for integer data type?

Choose an answer

%d

%S

%C

%f

A collection of data that consists of name ,address and email of a person is called:

Choose an answer

Byte

Record

Character

Field

Insert command is used to insert:

Choose an answer

New table

New record

View

Dependences

A special value that marks the end of a list of input data is called:

Choose an answer

Terminal value

Sentinel Value

Loop control value

Input value

__________ refers to group of statements enclosed in opening and closing braces.

Choose an answer

Control structure

Compound statement

Sequence structure

Instruction

One execution of a loop is knows as a (n):

Choose an answer

Cycle

Duration

Iteration

Test

Which of the following mode open only an existing file for both reading and writing

Choose an answer

"W"

"W+"

"r+"

"a+"

Which object of database is used to retrieve data from database?

Choose an answer

Queries

Forms

Reports

Tables

Which of the following key is used to save a file?

Choose an answer

F2

F3

F5

F9

The entity integrity rule states that:

Choose an answer

No primary key attribute can be null

Each entity must have a primary key

Primary key must have only one attribute

None

Which of the following header file contains information about common mathematical functions?

Choose an answer

stdio.h

math.h

conio.h

None of these

Which is a possible value of flag?

Choose an answer

-

+

Space

All of these

Each record consists of a

Choose an answer

Rows

Columns

Both a and b

None of these

SQL is used for:

Choose an answer

Data definition

Data manipulaton

Data control

All

Which of the following operations can be performed on data after the data has been captured and manipulated?

Choose an answer

Storage and retrival

Communication

Managing output result

None

The function getche() is defined in:

Choose an answer

stdio.h

conio.h

string.h

math.h

A table with five fields has a degree of

Choose an answer

5

2

10

none

Which of the following format specifiers is used for string?

Choose an answer

%s

%c

%d

%f

Which of the following are anomalies that can be caused by redundancy in tables?

Choose an answer

Insertion

Deletion

Modification

All

In ERD model, the relationship between two entities is represented by a

Choose an answer

diamond symbol

rectangular box

oval symbol

line

A _____ contains an object that stores VBA code

Choose an answer

Macro

Module

Forms

Reports

A subform can be created using:

Choose an answer

Drag and drop method

The form Wizard

Subform wizard

All

The ".exe" file is produced by:

Choose an answer

Linker

Loader

Compiler

Interpreter

A category of data or information that describes an entity is called

Choose an answer

Attribute

Data item

Record

Tuple

The number of variables that can be used in printf ( ) function are

Choose an answer

One

Many

Three

Zero

Which of the following statement can be used in C

Choose an answer

While

For

Do while

All

The case block ends with:

Choose an answer

End Select

End case

Break

Case else

The number of bytes used by double data type in C is:

Choose an answer

2

8

12

16

Which of the following is basic data distribution strategy?

Choose an answer

Centralized

Partitioned

Replication

All

C is strongly typed language, it means that:

Choose an answer

Every program must be compiled before execution

Every variable must be declared before it is being used

The variable declaration also defines the variable

Sufficient data types are available to manipulate each type of data

Dummy question 2

Choose an answer

a

2

b

f

Each set of related items in a table is called:

Choose an answer

Table

Record

Field

Query

The format specifier % d is used for

Choose an answer

Int

Unsigned short

Unsigned float

Unsigned long int

Which of the following can be found in an MS Access database file?

Choose an answer

Tables

Forms

Queries

All

The scope of a variable refers to its:

Choose an answer

Length

Name

Accessibility

Data type

Escape sequence starts with the character

Choose an answer

%

/

#

none

Information including the table name field names and data types is stored in

Choose an answer

Data dictionary

Table

Fields

None

Forms are designed for

Choose an answer

Input data

Manipulated data

Accepting change

All of them

A record is a ------------------- in table

Choose an answer

row

field

table

data

Errors in a computer program are also called ________

Choose an answer

Mistakes

Bugs

Syntax

Wrongs

The exponential notation consists of:

Choose an answer

Mantissa

Exponent

Range

A and B

The statement that is used for an

Choose an answer

while

all

for

goto

The output of the query is in the form of a :

Choose an answer

Table

Form

Report

Query

The operator that is used in decision making is

Choose an answer

increment operator

decrement operator

condition operator

none

Which of the following data type offers the highest precisions

Choose an answer

Float

Long int

Long double

Unsigned long unit

Relational operators are used to

Choose an answer

Establish a relationship among variables

Compare two values

Construct compound condition

Performs arithmetic operators

In a for statement, this expression is executed only once:

Choose an answer

Test

Validation

Initialization

All

A report may be based on:

Choose an answer

A table but not a query

A query but a table

Both a table and a query

None of these

When we make any modification in a relation it is called

Choose an answer

Insertion anomaly

Deletion anomaly

Modification anomaly

Both a and b

What is the function of a Form in MS Access?

Choose an answer

View one record at a time

Add new data

Change existing data

All

Which of the following is true about a function call

Choose an answer

Stop the execution of the program

Transfer control to the called function

Transfer control to the main function

Resumes the execution of the program

From the followings which is different

Choose an answer

If

Else-if

Function

Switch

Which of the following are valid case statements in a switch?

Choose an answer

Case 1:

Case x<4:

Case 'ab':

Case 1.5:

A form that contains the sub form is called________

Choose an answer

Form

Main form

Report

None of them

The type of files from functional point of view include:

Choose an answer

Program file

Data file

a and b

None of these

The number of variables that can be used in printf ( ) function are

Choose an answer

one

many

three

zero

A database consists of various components called the

Choose an answer

tool

properties

entities

object

A row of relation is called

Choose an answer

attribute

entity

tuple

both a & c

Which of the following is used to describe the characteristics of an object?

Choose an answer

Attribute

Relationship

Cardinality

Modality

Which of the following are objects in an MS Access database?

Choose an answer

Tables,forms,queries, and reports

Database, Datasheet, And forms views

Folders and Tools

All of these

The number of digits after a decimal point is called:

Choose an answer

Significance

Precision

Range

Scope

Which of the following is equivalent to (p>=q)?

Choose an answer

p<q

!(p<q)

p<q

1p<q

How many variables can be used in one printf function?

Choose an answer

One

Two

Many

Ten

A well-organized set of instructions given to the computer is called:

Choose an answer

Hardware

Software

Bug

None

Another name of main memory is :

Choose an answer

Secondary memory

Primary storage

Permanent Memory

None

Laser beam technology is used in one of the following

Choose an answer

Monitors

Magnetic Disk

Optical Disks

Mouse

When all hardware, software, storage, and processing is housed in one location it is called.

Choose an answer

a time-sharing system

centralized processing

a DDP system

a host computer system

The heart of analog to digital converter (ADC) is

Choose an answer

comparator

pulse generator

voltage source

current source

Coaxial and fiber cables are examples of media

Choose an answer

Guided

Router

Un-guided

Simplex

The final value of K after following FORTRAN program segment is executed will be

J=2

Do 50 I=3,8,J

J=J+1

50 Continue

J=5 * J

Choose an answer

2

7

40

The program can not be executed

A magnetized spot represents.

Choose an answer

cpi

MB

0 bit

1 bit

Which of the following IC logic family has maximum fan out capacity?

Choose an answer

TTL

DTL

MOS

CMOS

1 byte consists of

Choose an answer

4 bits

8 bits

16 bits

32 bits

Micro processor is based on

Choose an answer

thermionic values

transistors

integrated circuits

single integrated circuit or chip

After starting the solution to a problem is pesudocode, the next step would be

Choose an answer

testing the program

coding the program

documenting the program

translating the program

Which of the following FORTRAN statement is valid?

Choose an answer

DIST=VELO * + TIME

HYP ** 2=BASE **2 + PERP ** 2

X = X +1.0

SAL + COMM = 180.0 + PROFIT

Records stored on a Direct Access storage device.

Choose an answer

must be read in a specific order

must be read in groups

must be read directly

must be read sequentially or directly

The most commonly used character code/s transmission is/are

Choose an answer

EBCDIC

ASCII

both EBCDIC and ASCII

nethier EBCDIC and ASCII

Which of the following is Internet Protocol?

Choose an answer

Y25

TCP/IP

PCT/PI

ITTT

Which of the following function is referred as the complementary.?

Choose an answer

OR function

NOT function

NAND function

AND function

Which of the following statement is true in the case of AND gate with input A and B.

Choose an answer

If A and B are applied, there will not be any output

If neither input is applied, there will be an output

If one input is applied there will not be any output

If one input is applied there will be an output

To make a personal computer act like a terminal, which type of software must be used?

Choose an answer

fax

videoconferencing

bridge

emulation

The most common protocol used in WAN is

Choose an answer

Ethernet

X.25

IEEE

ISO

The function of an OP code is.

Choose an answer

To instruct the CPU

To translate a mnemonic

Operate the I/O devices

To act as a buffer

Video Display Adapters that takes 1024 x 768 pixels are

Choose an answer

VGA

SVGA

XGA

GSA

During E-time the ALU.

Choose an answer

examines the instruction

enters the instruction

executes the instruction

elicits the instruction

The arrangement in which most of the processing is done by the server.

Choose an answer

simplex transmission

electronic data interchange

file server

client/server

Project 802 defines standards for which layers of the OSI model?

Choose an answer

Application and Presentation layers

Physical an Date Link layers

Transport and Network layers

Network and Data Link layers

A parallel interface

Choose an answer

transmit one bit at a time

transmit one or more bits at a time using a single wire

transmit 8 or more bits at a time using as many wires

cannot be used to connect a printer to a PC

The number of times a wave repeats during a specific time interval is called

Choose an answer

Amplitude

Oscillation

Frequency

Pulses

A hard disk can be backed up efficiently using.

Choose an answer

WORM

a transaction file

a tape backup system

zoning

Program maintenance means

Choose an answer

Maintaining a program exactly the way it was initially developed

Changing a program due to changes in the organization

Removing the errors from a program

Changing a program due to changes in the organization

Who developed the first automatic electronic digital computer prototype between 1935 and 1942.

Choose an answer

John Atanasoff

J. Presper Eckert

William Shockley

Thomas J.Watson

A portable operating system

Choose an answer

generic

backup

allocated

utility

Identify the legal FORTRAN arithmetic assignment statement?

Choose an answer

X = a+b +1

0.75 = A - B^c

SN - a * (1-r **n) / (1 - r)

NET + PR = SALE - COST

Word is 16 bits is

Choose an answer

65536

64526

32526

34526

The information that is to be transferred from one location to another is called:

Choose an answer

Signals

Data

Sender

Message

The lowest level of programming language is

Choose an answer

nonprocedural language

assembly language

BASIC

machine language

What does ISDN stands for?

Choose an answer

International Service Data Network

International Service Digital Network

Integrated Service Data Network

Integrated Service Digital Network

A computer has very high speed, accuracy and reliability . Its intelligent quotient could be of the order of

Choose an answer

0

10

15

20

An inkiet pirnter is an example of a(n):

Choose an answer

LASER printer

Impact Printer

COM printer

NON-Impact Printer

An analog computer can be worked directly with.

Choose an answer

magnetic tapes

punched card

magnetic disk

none of the above

A standardized business language is

Choose an answer

CODASYL

BASIC

COBOL

Ada

Which of the following description relates to a floppy diskette

Choose an answer

9-track 1600 BPI

double sided double density

33 Mhz - zero-wait time

40 MB capacity

An assembly language uses

Choose an answer

English words

mnemonic codes

0s and 1s

binary digits

An emerging technology that provides nonvolatile memory chips is.

Choose an answer

flash memory

PROM

CMOS

CISC

_________ is not an application software

Choose an answer

internet

Device drive

Games

Multimedia software

A pictorial screen symbol that represents a computer activity is called a(n).

Choose an answer

pointer

touch screen

icon

MICR

Software that translates assembly language into machine language is

Choose an answer

a binary translator

a compiler

an assembler

a link-loader

The time between the user's request and the computer's reply

Choose an answer

concurrent time

response time

allocation time

event time

The process of executing several programs simultaneously by the use of more than one processing unit is called.

Choose an answer

Multiprogramming

Time sharing

Multiprocessing

Batch processing

The heart of a digital computer is....

Choose an answer

control unit

memory unit

logic unit

visual display unit

_________is input device.

Choose an answer

Keyboard

Touchpad

Microphone

All

A computer can't do anything without.

Choose an answer

program

Input device

Output device

VDU

A fourth-generation language used for database retrieval

Choose an answer

high level language

assembly language

query language

procedural langauage

Time scaling in analog computers is done to make them.

Choose an answer

operate fast

operate slowly

operate in time delay mode

either operate fast or operate slowly

A systems analyst would observe the flow of data and interrelations of people within an organization during.

Choose an answer

detail design

preliminary design

systems analysis

a system survey

Specifying the kind of input, processing, and output required for a program occurs when

Choose an answer

planning the solution

flowcharting the problem

coding the problem

defining the problem

To concept of using several small disk packs that work together as a unit is.

Choose an answer

CD-ROM

RAID

WORM

OMR

______is not an example of input device.

Choose an answer

Speaker

Scaner

Mouse

Digital Camera

Which of the following gate is two level logic gate.

Choose an answer

OR gate

AND gate

EXCLUSIVE OR gate

NAND gate

_______ pointing devices has a vertical handle like a gearshift lever:

Choose an answer

Light pen

Pointing stick

Trackball

Joystick

An electronic device that accepts. process data and produces information is called

Choose an answer

input devices

computer

output devices

operating system

A way of physically organizing data on a disk pack to minimize seek time uses.

Choose an answer

sequential file

removable hard

the cylinder method

Winchester technology

In time division Multiplexing.

Choose an answer

Time is doubled between bits of a byte

Time slicing at CPU level takes place

Total time available in the channel is divided between users and each user is allotted a time slice

None of above

One or more computers connected to a hub computer is a(n)

Choose an answer

ring network

node

information utility

star network

Microwave and Communication Satellite are example of

Choose an answer

Guided

Un-guided

Simplex

Router

Token passing prevents data collisions by.

Choose an answer

Using code to steer tokens around each other

Having multiple tokens take alternate routes.

Allowing only one computer at a time to use the token

Using zones to control network traffic congestion

Super computers are usually designed to process complex scientific applications and the computational speed of the system is most important. Each address in the CRAY-1 holds

Choose an answer

16 bits of information

32 bits of information

48 bit of information

64 bits of information

Comments in the program itself are part of

Choose an answer

compiling

translating

linking

documenting

Communication between a computer and keyboard involes __________ transmission.

Choose an answer

Half duplex

Full-duplex

Simplex

Automatic

Which of the following does not represent an I/O devices?

Choose an answer

speaker

OCR

Joystick

ALU

The Height of wave within a given period of time is called :

Choose an answer

Amplitude

Oscillation

Frequency

Pulses

A computer can be defined as an electronic device that can: (choose the most precise definition).

Choose an answer

carry out logical functions

carry out arithmetical operations

accept and process data using a set of stored instructions

present information on a VDU

Four-digit binary number 1011 is represented in the decimal system by.

Choose an answer

7

9

11

13

Terminal is a.

Choose an answer

device to give power supply to computer

point at which data enter or leaves the computer

the last instruction in a program

any input/output device

Internal modem is connected to

Choose an answer

DCE cable

RJ 45 cable

RS 232 serial port

DTE cable

An example of peripheral equipment

Choose an answer

CPU

spreadsheet

printer

microcomputer

Which of the following does not provide a graphical user interface.

Choose an answer

OS/2

MS-DOS

Macintosh

Windows NT Workstation

Pick out the wrong definition

Choose an answer

Access time - time needed to access the output

EDP- acronym for Electronic Data Processing

COBOL - a language used for business data processing

Control unit - heart of a computer

The business conducted with the help of computer network is called

Choose an answer

E-commercial

E-commerce

E-comunication

Nothing

Computer follows a simple principle called GIGO which meas

Choose an answer

Garbage input good output

garbage in garbage out

great instruction great output

good input good output

Another name for a logic chip is.

Choose an answer

PROM

memory

microprocessor

ROM

Storage of 1K means that it has following number of storage locations

Choose an answer

1000

964

1024

1032

Collection of raw facts and fiaures is called :

Choose an answer

Information

Processing

Data

Output

Programs written to cause computers to function in a desired way are called.

Choose an answer

hardware

instruction

software

algorithm

According to Boolean algebra A+A+......+A is

Choose an answer

A

n A

0

1

During E-time the ALU..

Choose an answer

examines the instruction

enters the instruction

executes the instruction

elicts the instruction

What is telecommuting?

Choose an answer

a special form of electronic mail

a new trend in roboties that may take the place of cars

a trend towards working at home using personal computers and modems

none of these

The half adder circuit has

Choose an answer

one input

two inputs

three inputs

always more than two inputs

CD-ROM has the same format as a(n).

Choose an answer

backup tape

DAT

diskette

audio compact disk

An A/D converter does the conversion from

Choose an answer

Digital to analog

Analog to digital

Voltage to ampere

Direct to alternate current

Which of the following is termed ad minimum error code?

Choose an answer

Binary code

Gary code

Excess 3-code

Octal code

A network that covers large area, city, country and World is called

Choose an answer

LAN

WAN

Router

Bridge

______input device is not a pointing device

Choose an answer

Scanner

Pointing Stick

Digitizing Tablet

Touchpad

Positioning of headings and columns for the report format, considered during system design, might use.

Choose an answer

a record layout an organization chart

a decision table

a printer spacing chart

a printer spacing analysis

A CPU has.

Choose an answer

control unity consisting of program counter and instruction decoder, and arithmetic unit having accumulator

bubble memory

visual display unit

auxiliary storage unit

The widely used code in data communication is.

Choose an answer

a bit ASCII

7 bit ASCII

EBCDIC

none of these

Examples of pointing devices that are used for computer input are.

Choose an answer

joysticks

mice

trackballs

all of the above

Testing of each individual program or module is called.

Choose an answer

program testing

volume testing

system testing

unit testing

If a FORTRAN program begin with statement

INTEGER SALARY, PROFIT,LOSS

Then through the program integer variables will be represented by

Choose an answer

SALARY

PROFIT

LOSS

All of the above

On a linear bus topology cabling can be extended by using following device

Choose an answer

Network Adapter Card

Barrel Connector

Terminator

Modem Card

A computer can be defined as an electronic device that can (choose the most precise definition)

Choose an answer

carry out arithmetic operation

carry out logical operation

do complicated calculation

accept or process data by implementing sequentially a set of stored instructions

Distribution data entry means that data can be

Choose an answer

Entered at different location where it originates

Sent to different locations from a central place

Access from different places known as distribution points

Distributed through a network

An analog computer produces its results in the form of.

Choose an answer

numbers

codes of '0's and '1's

log format

graphs

The disadvantage of analog computer over the digital computer lies in its.

Choose an answer

set up being closely resembling the physical system

having parallel structure and low cost

being readily tied up with a physically system without using expensive inter phase

need for scaling, limited number of units, limited accuracy

The keys starting with Character F1 to F12 is

Choose an answer

Arrow keys

Function keys

Alphabet keys

Numeric keys

Choose an answer

x + y

A driver is.

Choose an answer

hardware

a peripheral device

a card

software

By word processing we mean

Choose an answer

Processing only words and not the number

String manipulation

A method of providing facility of text processing

A software game for playing with words like "Hang man"

SNA is an example of

Choose an answer

De Jure Protocol

De Facto Protocol

Network organization

None

Which of the following variable name is legal?

Choose an answer

PAK 123

A * B

COMPUTER

A/B

Arrow keys are also known as :

Choose an answer

Function keys

Cursor control keys

Toggle keys

Special keys

Debug is a term denoting

Choose an answer

error correction process

writing of instruction in developing a new program

fault detection in equipment

determine useful life

IBM stands for

Choose an answer

International Business Machine

International Binary Machine

Internal Business Machine

International Business Microsoft

Primary storage for the UNIVAC was via

Choose an answer

punched cards

transistors

magnetic cores

disk packs

The basic operation performed by a computer is.

Choose an answer

arithmetic operations

logic operations

storage and retrieval operations

all of the above

Computers that are used in consumer goods, such as cars, are called.

Choose an answer

enchanced

software

analog

embedded

The microphone converts the sound into

Choose an answer

Mechanical signals

Software

Electrical signals

GUI

Ethernet bus topologies used following Ethernet cabling

Choose an answer

Thin Net

Thick Net

Bold Net

a , b

IBM-1401, CDC-6600, IBM-7030 etc. belong to the.

Choose an answer

first generation computers

second generation computers

third generation computers

fourth generation computers

FDDI is a

Choose an answer

ring network

star network

mesh network

bus network

The _______ is the physical path over which a message travels.

Choose an answer

Protocol

Medium

Single

All

_______is not component of data communication.

Choose an answer

Medium

Voltage

Decoder

Receiver

DASD refers to.

Choose an answer

disk storage

track

tape storage

sorting

In the networking environment a network adapter card driver is needed for.

Choose an answer

Communication with other adapter cards on a network

Communication between the file server and the other computers on the network

Communication between different types of computers on a network

Communication between the adapter card and the computers operating system

A Terabyte represents about

Choose an answer

1 quadrillion bytes

1 trillion bytes

1 billion bytes

1 million bytes

A computer based system in which a telephone message is recorded in digital form and then forwarded to others is

Choose an answer

a teleconferencing

voice mail

a bulletin board

telecommuting

The software tools that allow a computer to be used for specific purposes are called.

Choose an answer

firmware

terminals

hardware

application programs

Raw data is processed by the computer into.

Choose an answer

number sheets

updates

paragraphs

information

Which of the following will happen when data is entered into a memory location

Choose an answer

It will change the address of the memory location

It will add to the content of the location

It will not be fruitful if there is already some data in that location

It will erase the previous content

Which of the following is a Correct definition of volatile memory?..

Choose an answer

It loses its contents at high ambient temperatures

Its contents are lost on failure of power supply

It has to be kept in air tight boxes always

It is the latest type of bubble memory

Which one is not network topology?

Choose an answer

Star

Ring

Circle

Bus

Step-by-step instructions that run the computer are.

Choose an answer

hardware

documents

programs

CPUs

A group of electronic, magnetic, or mechanical devices that store data is called

Choose an answer

register

address

program

software

Assuming 8 bit for data, 1 bit for parity, 1 start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit.

Choose an answer

10 CPS

120 CPS

12 CPS

none of these

Boolean algebra is.

Choose an answer

used for arithmetical operation is ALU

an aid for binary conversion

useful for error detection and error correction

used to describe the behavior and structure of logic networks and as an aid in the design of logic system

An English-like language that one can use as a program design tool is

Choose an answer

BASIC

pseudocode

PL/I

Pascal

Who invented the modem?

Choose an answer

IBM

DEC

AT&T information System, USA

Apple computers Inc

Pointing devices are

Choose an answer

Mouse

Trackball

Touch Screen

All of the above

Management of an operating system is handled by

Choose an answer

by interpreter

the supervisor program

utility program

the CPU

The number A9D in Hexadecimal system is equivalent to which number in decimal system.

Choose an answer

2727

2648

3717

2717

Operating System involved by AT&T is

Choose an answer

Macintosh

Unix

OS/2

Windows

The heart of a digital computer is.

Choose an answer

control unit

memory unit

logic unit

visual display unit

The most common storage devices in a computer system are.

Choose an answer

printers and monitors

disk drives and printer

disk drives and tape derives

tape drives and keyboards

The process of transferring data from one location to another is called:

Choose an answer

Data processing

Data Computing

Data communication

Data sequencing

In multiprogramming, two or more programs can be executed

Choose an answer

by optimizing compiler

with two computers

simultaneously

concurrently

How many types of data transmission modes are there?

Choose an answer

2

3

4

5

The speed with which a disk can find data being bought is called.

Choose an answer

access time

data transfer time

direct time

cylinder time

Choose an answer

A + B + C + D

A BC D

A + B + C + D

Who is pioneer in the field of computer language who played an important role in the development of COBOL.

Choose an answer

Grace M.Hopper

How H.Aiken

John von Neumann

Thomas J.Watson

Data communication requires only a :

Choose an answer

Sender

Receiver

Transmission Medium

All of the above

The device drive is an example of :

Choose an answer

Application software

System software

Freeware

Shareware

Electronic Numerical Integrator and Calculator (ENIAC machine) belongs to the

Choose an answer

first generation digital computer

second generation computer

third generation computer

fourth generation computer

An operating system is a

Choose an answer

set of users

form of time-sharing

set of programs

supervisor program

Choose an answer

0

1

x

A group of characters that are treated as a single entity.

Choose an answer

bit

byte

word

address

The complex set of electrical circuitry that executes program instructions is called the.

Choose an answer

register

central processing unit

accumulator

bus line

Who is responsible for introducing the concept of stored program.

Choose an answer

Blaise Pascal

Herman Hollerith

Charles Babbage

John von Neumann

Voice input devices convert voice input to.

Choose an answer

digital code

OCR-A

bar codes

optical marks

The technique whereby part of the program is stored on disk and is brought into memory for execution as needed is called

Choose an answer

memory allocation

interrupts

virtual storage

prioritized memory

Arranging classified data in a predetermined sequence to facilitate processing is called.

Choose an answer

storing

sorting

processing

classifying

Page frames are typically

Choose an answer

1K or 2K bytes

3K or 4K bytes

2K or 3K bytes

2K or 4K bytes

Which of the following is an example of volatile memory.

Choose an answer

ROM

RAM

PROM

Hard disk

The entire new system is used by a portion of the users.

Choose an answer

direct conversion

pilot conversion

file conversion

parallel conversion

An on-screen picture

Choose an answer

page

NOC

icon

spool

A color screen with the best resolution has the most.

Choose an answer

CRT

VGA

COM

pixel

________ key is used to cancel the current operation

Choose an answer

Alt

Caps Lock

Ese

Num lock

In computer science, by information we mean

Choose an answer

Any output coming out form

Processed data put in intelligent form

A report printed by computer

Plural of data

A device that inputs data by scanning letters and numbers is a.

Choose an answer

keyboard

wand reader

mouse

diskette

Communication between a computer and a keyboard involves

Choose an answer

Simplex

half-duplex

Full-duplex

automatic

Another name for virtual memory is

Choose an answer

virtual page

foregound

background

utility

Memory capacity may be expressed in.

Choose an answer

microseconds

kilobytes

bits

cycles

Cabling on a linear bus topology can be extended using which of the following?

Choose an answer

Terminator

Barrel connector

Network adapter card

Medium attachment unit

First-generation computers were characterized by the use of the.

Choose an answer

microprocessor

vacuum tube

transistor

integrated circuit

The term word in computer terminology refers to.

Choose an answer

bits formed into groups

coded instructions

memory size

language used

Pictures on a monitor are composed of tiny dots called.

Choose an answer

a pixels

CRTs

VDTs

elements

One Megabyte is equivalent to.

Choose an answer

2¹⁰bytes

2²⁰bytes

2³⁰bytes

none of these

___________ code systems can represent upto 65536 symbols

Choose an answer

ASCII-7

EBCDIC

ASCII-8

Unicode

The phase following detail design is,

Choose an answer

preliminary investigation

implementation

system development

system conversion

The disk storage that uses both a magnet and laser beam.

Choose an answer

hashing

magneto-optical

CD-ROM

WORM

The lowest level of management is concerned with

Choose an answer

Operational information

Traditional information

Long Term planning

Strategic information

Popular application of flip-flop are.

Choose an answer

counters

shift registers

transfer registers

all of the above

________ is component of data communication.

Choose an answer

Sender

Receiver

Encoder and Decoder

All

The electromagnetic or light waves representing data are called:

Choose an answer

Reraction

Information

Signals

None

Now-a-day computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose?

Choose an answer

Fax card

Modem card

Network Adapter card

DVD

The concept of sending/receiving text etc, on computer networks is called

Choose an answer

on-line database

Electronic mail

Teleconferencing

Electronic mail

___________ devices is used chek and process the test marks of students

Choose an answer

OMR

Barcode Reader

An example of smart card

MICR

The language Smalltalk is

Choose an answer

procedural oriented

document oriented

problem oriented

object oriented

Data and instructions are put into primary storage by.

Choose an answer

memory

the control unit

secondary storage

the ALU

Boolean expression for NOR gate with two inputs x and y can be written as.

Choose an answer

x + y__

x. y

x + y

To send data, instruction and information you need a

Choose an answer

Sending device

Receiving device

Channel device

Communication signal

In a three input NAND gate, if all the inputs are 1, the output is.

Choose an answer

0

1

3

indeterminate

The part of the computer system which performs the house keeping functions is called

Choose an answer

Interpreter

Compiler

Operating system

Assembler

A built in number that identifies a location in storage.

Choose an answer

character

word

byte

address

For creating and editing legal documents which application package would be most useful?

Choose an answer

Spreadsheet

Word processing

Graphics

Communication

Bandwidth requirement for human voice is

Choose an answer

100000 to 200000

5000 to 20000

20000 to 30000

25000 to 50000

Hellerith's Tabulating Machine company eventually became.

Choose an answer

IBM

AT & T

Apple

General Electric

The commutative law in Boolean Algebra, where a, b and c are binary number is.

Choose an answer

a+0=a

a+1=1

a+b=b+a

a. (b+c) = a.b +a.c.

The main advantage of analog computers compared to digital computers is that they are more.

Choose an answer

efficient in continuous calculations such as differentiation and integration

efficient in handling vast data

accurate and precise

reliable

An error in a computer hardware and software is called a bug. Another name for its is

Choose an answer

glitch

hacker

virus

pixel

A connection for similar networks.

Choose an answer

satellite

gateway

bridge

fax

Excess-3 code is known as

Choose an answer

Weighted code

cyclic redundancy code

algebraic code

self complementing

The term 'baud' is a measure of the

Choose an answer

speed at which data travels over a communications line

capacity of memory

error detection/correction capability of computer system

instruction execution time

An application package is used to

Choose an answer

Meet specific needs of a user

Run the computer system better

Run the compiler smoothly

Enable operating system control hardware better

The output of a sequential circuit depends upon

Choose an answer

present input

past inputs

both a and b

none of a and b

Assigning more sectors to outer disk tracks is called.

Choose an answer

zone recording

randomizing

data transfer

sectoring

According to aborption law x+x.y=

Choose an answer

x

y

1 + x

1 + y

Real time computing is possible because of the following number of storage locations

Choose an answer

storage capability

high speed

accuracy

versatility

A device which connects multiple nodes to the network is

Choose an answer

A modem

A Hub

A repeater

A router

The 'Boolean Algebra' is based on the premise that

Choose an answer

there are two states

differential equations can be solved by analog circuits.

either a statement is true or false

arithmetic operations can be carried out

_________ is an autio input device:

Choose an answer

Digital camera

Microphone

Video camera

Speaker

Imaging uses what device to input data:

Choose an answer

Tablet

Icon

Barcode Reader

Scanner

When the control unit gets an instruction it is called

Choose an answer

E-mail

machine time

I-time

ALU time

Pick out the wrong statement about computers.

Choose an answer

it is a logical machine

it can access any piece of information that it has in store

it is devoid of emotion, has no feelings or instincts

it approaches its information is unrestricted manner

Simulation is a process in which

Choose an answer

computer is used to control a process

computer gather data for later processing

full capacity of the system is utilized

the computer system and program are used to produce actions similars to those in a real physical system

Programming and testing are elements of.

Choose an answer

system analysis

system development

implementation

system design

Information travels between components of a computer through groups of wires called.

Choose an answer

cards

busses

slots

ports

Data transmission speed of wire pair is

Choose an answer

9600 bps

9500 bps

3600 bps

3500 bps

Which of the following is associated with optics

Choose an answer

Winchester

RAM

CD-ROM

None of these

When a bank teller uses a computer terminal to know the balance in a customer's account it is an example of

Choose an answer

on-line updating

off-line processing

on-line processing

on-line query

A letter, number, or a special character is represented by a.

Choose an answer

bit

kilobyte

byte

megabyte

A disk pack withing a sealed data module is a.

Choose an answer

Backup unit

Winchester

diskette

CD-ROM

Charles Babbage worked closely with ______ to develop his device.

Choose an answer

Ada Lovelace

Joseph-Marie Charles

Herman Hollerith Jacquard

Lord Byron

Pick up the wrong statement in the analogy of mechanical and electrical devices.

Choose an answer

resistance is analog of damping

inductance is analog of mass

capacitance is analog of spring

charge is analog of displacement

The CRT technology with the best resolution.

Choose an answer

MICR

VGA

SVGA

LCD

Which of the following is the example of sequential circuit

Choose an answer

flip-flop

counter

shift register

accumulator

Laser beam technology is used for.

Choose an answer

terminals

optical disk

keyboards

magnetic tape

Logical addition refers to operation of

Choose an answer

OR gate

AND gate

NOT gate

invertr gate

The highest layer of OSI model is

Choose an answer

Physical layer

Network layer

Presentation layer

Application layer

Binary coded decimal number express each decimal digit as

Choose an answer

binary degits

nibble

word

byte

ASCII 7 bit code can represent maximum

Choose an answer

265 character

128 character

64 character

65536 character

Retaining data for future reference is called

Choose an answer

storing

sorting

memorizing

programming

At the beginning of the instruction cycle, the contents of the Instruction Register specify.

Choose an answer

Operand for the instruction being executed

Instruction itself

Operand for the instruction to be executed next

None of above

PDP-5,PDP-8,IBM-360 series and IBM-370 series belong to the.

Choose an answer

first generation computers

second generation computers

third generation computers

fourth generation computers

Computers that are used to control temperature and humidity in buildings are considered to be.

Choose an answer

Software

special-purpose

non-programmable

analytical engines

The card which is used for Internet

Choose an answer

Network card

Modem card

VGA card

Graphic card

UNIX is an example of a(n)

Choose an answer

memory management

generic operating system

NOS

utility program

The general-purpose processor on a chip is otherwise known as the.

Choose an answer

ENIAC

minicomputer

pocket calculator

microprocessor

Software to persue the Internet

Choose an answer

Gateway

Videoconferencing

Browser

Teleconferencing

Which of the following is not a category of network problems.

Choose an answer

Newsgroup problems

Physical problems

Electrical problems

Viruses

The highest-level language are called

Choose an answer

4GLs

high-level

assembly

natural

The time require for the access arm to get into position over a particular track is.

Choose an answer

rotational delay

data transfer

seek time

head switching

Tool to change PROM chips are called.

Choose an answer

chip kits

RAM burners

PROM burner

none of these

Electronic banking.

Choose an answer

token ring

Mosaic

EFT

BBS

Which of the following topologies is passive?

Choose an answer

Star topology

Ring topology

Bus topology

Hybrid topology

Choose an answer

x . y

x + y

x . y

A bit can be

Choose an answer

1 and 0

1 or 0

1 only

0 only

The instruction that tell the computer what to do are called.

Choose an answer

software

output

hardware

telecommunication

According to Idempotent law , x + y = __________

Choose an answer

1

0

x

x . x

Printer is an example of

Choose an answer

Softcopy

Hardcopy

Photocopy

Nothing

The number of inputs to full adder are

Choose an answer

1

2

3

4

If A and B are two 1-bit numbers, what logic gates will be required to test for A=B?

Choose an answer

NOR gate

EXCLUSIVE OR gate

EXCLUSIVE NOT gate

OR gate

The following register keeps track of the program during execution.

Choose an answer

Address register

Program counter

Data register

Accumulator

The reason why computers have been designed to use binary numbers is.

Choose an answer

computer circuits have to handle 2 binary digits rather than 10

electronic components, by their very nature, operate in a binary mode

everything that can be done with a base of 10 can also be done in binary

all of the above

Shift of a register by one bit to left in binary code is equivalent to.

Choose an answer

addition of 2

subtraction of 2

division by 2

multiplication by 2

Which types of data consists of words ,sentences and paragraphs

Choose an answer

Text

Image

Numeric

Video

A physical system can be modeled by a set of.

Choose an answer

Boolean equations

logic equations

differential equations

linear algebraic equations

The digits used for hexadecimal number system are.

Choose an answer

A through Z

1 through 16

0 through 15

0 through 9 and A through F

Functions can perform by using mouse

Choose an answer

Double-click

Drag and Drop

Right-click

All of the above

The correct order of data hierarchy is

Choose an answer

bit-byte-record-field-file-data base

bit-byte-file-record-field-data base

bit-byte-field-record-file-data base

The height of the wave is called :

Choose an answer

Oscillation

Amplitude

Signal

Frequency

97₁₀(decimal) in octal number system is equivalent to.

Choose an answer

136₈

140₈

139₈

141₈

_______ is a photoelectric scanner that translate the barcode symbol into digital code.

Choose an answer

MICR

Barcode Reader

OCR

OMR

A computer is capable of performing almost any task, provided that it can be.

Choose an answer

coded

memorized

analyzed

reduced to a series of logical steps

A person who gains illegal access to a computer system.

Choose an answer

hacker

worm

software

zapper

Turning an entire project over to an outside firm for development is called.

Choose an answer

auditing

outsourcing

preliminary investigation

prototype

A connection of same type of network is

Choose an answer

Bridge

Repeater

Gateway

Router

A LAN is a combination of.

Choose an answer

LAN cables

Network adapter card

LAN Application Software

All of the above

Integrated circuits are housed in.

Choose an answer

vacuum tubes

transistors

software

silicon chips

Which of the following is not a component of telecommunications?

Choose an answer

sender

office device

medium

receiver

Data gathering and data analysis take place.

Choose an answer

after the system survey

after system analysis

during system design

during evaluation

The number of bytes in the following number (1111, 1011, 0111,0100,1010) is.

Choose an answer

5

2 1/2

10

1 2/4

Which of the following is increasing as computer technology progresses?

Choose an answer

speed

efficiency

hardware reliability

all of these are inceasing

How many pairs of computers can simultaneously communicate on Ethernet LAN?

Choose an answer

1

2

3

multiple

A language designed to generate routing business reports is

Choose an answer

COBOL

LISP

RPG

ALGOL

Which of the following statements best describes a star topology?

Choose an answer

Needs significantly less cabling than other topologies

Breaks in a single cable segment takes down entire network

More difficult to reconfigure than other topologies

Centralized monitoring and management

The unit that transforms data into information is the.

Choose an answer

CPU

ROM

DVD

OCR

What is the size of standard floppy disk?

Choose an answer

6 1/2ⁿ

3 1/2ⁿ

8 1/2ⁿ

4 1/2ⁿ

The signal that the computer is awaiting a command from the user

Choose an answer

prompt

time slice

event

interrupt

In multiprogramming, the process of confining each program to certain defined limits in memory is called

Choose an answer

spooling

time-sharing

program scheduling

memory protection

SNA stands for

Choose an answer

Simple Network Adapter

System Network Arhitecture

System Network Application

Small Network Application

The language named for a French mathematician is

Choose an answer

C

Ada

Pascal

Modula-3

The signals produced by a computer or terminal to be sent over phone lines must be converted to.

Choose an answer

modems

analog signals

digital signals

microwave

Charles Babbage set out to create a device that could carry out any calculation to twenty digits of accuracy called a(n):.

Choose an answer

computer

analytical engine

calculator

mainframe

For printing of large drawings and images we use

Choose an answer

Laser printer

Plotter

Line printer

Dot matrix printer

Centralized processing but with access from terminals is known as.

Choose an answer

DDP

a ring network

telecommuting

a teleprocessing system

The term 'word' in computer terminology refers to

Choose an answer

bit formed into groups

coded instructions

memory size

language used

__________is an example of packaged software

Choose an answer

MS word

Front page

MS-Access

All

Choose an answer

0

1

x

Object program is

Choose an answer

A program written in machine language

A program to be translated into machine language

The translation of a high-level language into machine language

None of the above

Computer output produced as small film images is called.

Choose an answer

OCR

COM

LCD

OMR

A graph prepared by a computer.

Choose an answer

Is its output

Is the piece of information to user

Is a hard copy

All of the above

The correct processing unit

Choose an answer

is operated from the control panel

is controlled by the auxiliary storage unit

is controlled by input as it enters the system

controls all input,output, and processing

What enables a computer to work with a printer?

Choose an answer

Protocols

Drivers

Packet processor

HCL

Frequency is measured in

Choose an answer

Channels

Hertz

Bandwidth

Baud

BIT stands for:

Choose an answer

Binary integer

Binary Digit

Binary Interval

None of the above

The computer programe consists mainly the following number of parts

Choose an answer

2

3

4

5

An organic chip is called a.

Choose an answer

storage chip

biochip

microchip

silicon chip

The CCITT protocol is the same as

Choose an answer

x.25

Y.25

C25

d25

In the computer world, the word digital means information that is in.

Choose an answer

discrete units

units that can be counted

continuous , smooth form

a and b

CPU stand for:

Choose an answer

Centre Product unit

Central Programming Unit

Control Program Unit

Central Processing Unit

Computer is a combination of:

Choose an answer

Software

Hardware

Both A and B

None

A one-color screen on a black background is called.

Choose an answer

monochrome

addressable

blank

liquid crystal display

In Boolean algebra A.A.A.A.A

Choose an answer

5A

A

A⁵

1

The fastest type of ADC is

Choose an answer

time interval

parallel

closed loop

successive

Which of the following access methods listens to the cable for network traffic before sending data?

Choose an answer

Token passing

Polliing

CSMA/CA

CSMA/CD

Most of the errors in computer system could be attributed due to

Choose an answer

virus

programming errors

hardware problems

data entry errors

The ability of an object to interpret a message using its own methods is called

Choose an answer

Polymorphism

encapsulation

inheritance

messaging

Desktop and personal computers are other names for.

Choose an answer

micro computers

mini computers

mainframes

peripheral equipment

A storage medium which cannot support both direct-access and sequential-access application is.

Choose an answer

magnetic drum

hard disk

magnetic tape

floppy disk

The five basic parts of a computer system are

Choose an answer

hardware, software, memory,VDU, and magnetic tape

store,arithmatic and logic unit, control unit, input device, and output device

CPU, ALU,software,firmware, and operating system

data bus,control lines,address bus,memory, and printer

The person who requests study or work on a system is the.

Choose an answer

client

analyst

change agent

user

What best describes a bus topology network?

Choose an answer

The number of computers on the network does not affect performance

Easier to troubleshoot than other topologies

Needs significantly more cabling than other topologies

Media is inexpensive and easy to work with

A bootstrap is.

Choose an answer

a memory device

a device to support the computer

a small initialization program to start up a computer

an error correction technique

What is the octal equivalent of the binary system :10111101.?

Choose an answer

675₈

275₈

572₈

573₈

The major disadvantage of magnetic tapes is.

Choose an answer

cost

unreliability of store data

slow data recording

data is to be accessed sequentially

A network type in which all computers have equal status.

Choose an answer

communication links

peer to peer

WAN

direct connect

Loading the operating system into a personal computer is called

Choose an answer

booting

prompting

interrupting

paging

Data is represented on a computer by means of a two-state on/off system called

Choose an answer

the octal system

the binary system

a word

ROM

Wrong Statement.

Choose an answer

Information stored in RAM can be changed by over writing it

Information stored in ROM cannot be changed by over writing it

Information can be stored in any location of RAM

Computer main memory can be accessed only sequentially

In preparing a program, one should first

Choose an answer

plan the solution

code the program

document the problem

define the problem

A program or set of programs that is specially designed to control the computer system is called:

Choose an answer

System software

Application

Freeware

Shareware

Boolean algebra use which of the following to represent arithmetic quantities.

Choose an answer

decimal digits

exponents

binary bits

fractions

Which one of the following is a graphical shell?

Choose an answer

UNIX

page

utility program

GUI

The accuracy of analog computers as compared to digital computer is.

Choose an answer

more

less

nearly same

unpredictable

Logical security for on-line systems is achieved primarily by ________ and authorization codes

Choose an answer

MIS

Passwords

Tactical

None of the above

A bus line consists of.

Choose an answer

registers

accumulators

parallel data paths

machine cycles

An interfact is basically a component that

Choose an answer

test the system

corrects the errors in program

allows two incompatible entities with one another

enhances the capability of a system/equipment

When the control unit directs the ALU to perform an operation on the data, the machine cycle is involved in its.

Choose an answer

first step

third step

second step

fourth step

The device used with satellite transmission that ensures that strong outgoing signals do not interface with weak incoming signals is called a.

Choose an answer

microwave

transponder

cable

modem

A string of binary digits treated as a unit is called a.

Choose an answer

bit

byte

word

character

The binary number 101000101011 is equal to the hexadecimal number

Choose an answer

A2D

C2D

A2B

B2C

To activate an object, send

Choose an answer

a message

an instance

a method

an attribute

Maximum length of co-axial cable used in LAN is

Choose an answer

120 meter

110 meter

100 meter

90 meter

Soft copy refers to.

Choose an answer

OCR-A

screen output

microfiche

digitizing

Which of the following operations are used by Boolean algebra.?

Choose an answer

Boolean addition

Boolean multiplication

Boolean complementation

All of the above

Which one the common protocols is used for E-mail?

Choose an answer

FTP

PPP

SMTP

POP

In______________communication modes the data communication can take place in only one direction

Choose an answer

Simplex

Half-duplex

Full-deplex

None

A set raw, unprocessed facts, figures and symbols is called

Choose an answer

Information

Data

Instruction

Code

Data is transmitted character by character in

Choose an answer

Synchronous mode

Asynchronous mode

Remote communication

Satellite mode

An AND gate will function as OR if.

Choose an answer

all the inputs to the gates are "I"

all the inputs are "O"

a Not gate is added to it

all the inputs and outputs are complemented

A type of computer that is faster because it has fewer instructions.

Choose an answer

symbolic

RISC

ASCII-8

ROM burner

Binary number 10101101 is equivalent in decimal form to.

Choose an answer

170

171

173

174

The type of modulation that changes the height of the signal is called.

Choose an answer

frequency

phase

amplitude

prephase

The music and speech represent the:

Choose an answer

Image Data

Audio Data

Video Data

Text Data

The number A9D in Hexadecimal system is equivalent to which number in binary system.

Choose an answer

101010111101

101010011101

101110011101

101010011111

Transmit data in the form of light is called

Choose an answer

Fiber glass

UTP

Color glass

None

Following devices are used in simplex mode

Choose an answer

Radio

Television

a , b

Multiplexers

IEEE 802.3 is

Choose an answer

Device Name

Protocol

Topology

None

The cabling joining the Hub is called

Choose an answer

Spine

RS 45 connector

RS 232 serial port

Modem card

The process of converting from analog to digital is called.

Choose an answer

modulation

line switching

telecommuting

demodulation

A COBOL program has how many divisions

Choose an answer

four

two

five

seven

Which input device is often attached to laptop computers.

Choose an answer

trackball

inscriber

graphics display

wand reader

The first computer to use electrical power was developed by.

Choose an answer

Herman Hollerith

Thomes J. Watson

John V. Atanasoff

Howard Aiken

The operation of arithmetic logic unit (ALU) is directed by.

Choose an answer

the ALU itself

program

control unit

memory unit

Odd parity of a word can be conveniently tested by.

Choose an answer

OR gate

XOR gate

NOR gate

NAND gate

A conceptual error in a program is a/an

Choose an answer

Logical error

Execution error

Syntactical error

None of the above

A computer drives its basic strength from

Choose an answer

speed

accuracy

memory

all of above

The mechanism for reading or writing data in a disk is called a(n).

Choose an answer

track

rotational delay

seek time

access arm

The iteration count for the DO statement

DO 110 K = 3,19,4 will be

Choose an answer

3

4

5

6

Data is permanently stored in

Choose an answer

Hard disk

Ram

Printer

Cache Memory

What does the acronym ISDN stand for?

Choose an answer

International Services Data Network

Intelligent Services Digital Network

Integrated Services Digital Network

Interactive Services Digital Network

The shortest period of time is a.

Choose an answer

milisecond

nanosecond

picosecond

microsecond

Pick out the correct definition of buffer.

Choose an answer

Buffer is a hardware device that stores data outside the CPU

Buffer is that portion of the CPU memory which stores program instructions

Buffer is a temporary storage between the CPU memory and a peripheral device

Buffer is a device to convert input data into a computer readable form

An OR gate has 6 input. The number of input words in its truth table are.

Choose an answer

6

32

64

128

Real time system

Choose an answer

are effective in process control

process transactions by means of direct-access devices

process data in manner similar to batch-access devices

are not possible to achieve control

The first digital computer to work electrically was the.

Choose an answer

UNIVAC

Atanasoff-Berry Computer

Mark I

analytical machine

The term "time slicing" need not apply to.

Choose an answer

On line transacting processing

Batch processing

Real time processing

None of the above

Diodes are used in analog computer circuit as

Choose an answer

phase shifter

rectifier

binary logic

limiter

The encoding scheme of data represent as

Choose an answer

EBCDIC code

ASCII code

Unicode

All of the above

________ is a category software

Choose an answer

application software

system software

both a and b

none of these

The focus of the fifth generation is.

Choose an answer

connectivity

symbolic languages

silicon

memory chips

The most powerful computers are.

Choose an answer

super minis

super micros

super mainframe

super computers

The physical parts of a computer system are called.

Choose an answer

software

input

output

hardware

The act of reading new data into a register

Choose an answer

erases the previous contents of the register

is usually not possible

is possible only when the register is an accumulator

is possible only when the register is an accumulator or instruction register

Implementation of a program involves

Choose an answer

Compilation of the program

Debugging the program

Testing the program with data

All of the above

A bar code reader is an example of a(n).

Choose an answer

processing device

storage device

Input device

output device

NAND gates are preferred over others because these.

Choose an answer

have lower fabrication area

can be used to make any gate

consume least elctronic power

provide maximum density in a chip

How many pairs of computers can simultaneously communicate on Ethernet LAN

Choose an answer

1

3

Multiple

4

An arrangement in which data is transmitted in both directions at a time is called

Choose an answer

Simplex

Full duplex

Half duplex

Multi-duplex

computers that deal with discrete data are called.

Choose an answer

discrete computers

digital computers

analog computers

micro computers

The transfer of data from one place to another is called

Choose an answer

Data processing

Data distribution

Data communication

Data encryption

In Boolean algebra A.0 is

Choose an answer

0

1

A+0

A+1

_________is secondary device

Choose an answer

Hard Disk drive

CD-ROM drive

Tape drive

All

Who is regarded as the Father of computers.

Choose an answer

John Napier

Pascal

Charles Babbage

Hollerith

Communication circuits that transmit data in both directions but not at the same time are operating in.

Choose an answer

Simplex mode

Half duplex mode

Full Duplex mode

None of above

Personal computer users may wish to increase their hard disk storage capacity with.

Choose an answer

higher density

DAT

read only media

removable hard disk cartridge

A microprocessor has memory location from 0000 to 3FFF, each storing one byte. The number of bytes, the memory can stored is.

Choose an answer

8,192

16,384

32,768

4,096

The ___________ is the physical path over which a message travels.

Choose an answer

Single

Double

Protocol

Medium

A typical microcomputer has 64 K memory. It has 65,536 registers,each register storing 1 byte Each register is called

Choose an answer

memory location

address

byte

word

The output will be one in case any input is one in the case of.

Choose an answer

OR gate

AND gate

NAND gate

NOT gate

An operating system used exclusively with the manufacturer's computer

Choose an answer

DOS

proprietary

UNIX

NOS

Memory is divided into many numerically addressed.

Choose an answer

logic

locations

codes

cells

In a computer system, which of the following has largest number of mechanical components and thus most unreliable.

Choose an answer

magnetic tape

magnetic drum

floppy disk

printer

The first high-level language to be introduced was

Choose an answer

COBOL

FORTRAN

Pascal

Ada

A computer program written in a high level language is called a

Choose an answer

Source program

Object program

Machine language program

None of the above

A network that covers small geographic area or single or group of buildings is called

Choose an answer

WAN

LAN

Bridge

Gateway

125₈(octal) in decimal equivalent is equal to.

Choose an answer

83₁₀

84₁₀

85₁₀

86₁₀

IBM's System/360 family of computers was introduced during the.

Choose an answer

1950s

third generation

second generation

1990s

The process of allocating main memory to programs and keeping the programs in memory separate from each other is called

Choose an answer

memory protection

memory management

virtual storage

real storage

In preparing a program, desk-checking and translation are example of

Choose an answer

coding

planning

testing

documentating

A collection of software that controls the overall operation of a computer is called

Choose an answer

application software

programming language

system software

operating software

People on a LAN can share.

Choose an answer

Printer

CD/ROM disk drive

modem

fax machine

All of the above

In developing a program, documentation should be done

Choose an answer

as the last step

throughout the process

only to explain errors

only during the design phase

Each location in primary storage is assigned a unique.

Choose an answer

data

field

name

address

The ability to return a changed disk record to its original location is called.

Choose an answer

magneto-optical

rotational delay

multimedia

updating in place

The number ABC in Hexadecimal system is equivalent to which number in decimal system.

Choose an answer

A x 100 + B x 10 + C x 1

10 x 100 + 11 x 10 + 12

10 x 16 + 11 x 16 + 12

10 x 256 + 11 x 16 + 12

The charts, graphs and pictures are examples of:

Choose an answer

Image

Audio

Video

Text

Another word for printer.

Choose an answer

monochrome

microfiche

pixel

cursor

A network of geographically distant computers and terminals is called a.

Choose an answer

bus

WAN

gateway

LAN

Select the statement which is most correct about printer drivers.

Choose an answer

There is one universal printer driver that will allow full functionality of all printers

All printers made by a specific printer manufacturer can always use the same printer driver and have full functionality

A laser printer driver from one manufacturer will provide full functionality for all laser printers regardless of the manufacturer.

There is a specific printer driver designed for every model of printer that will allow the full functionality of that model of printer

Prewritten standard file-handling programs are called

Choose an answer

pull-down menus

language

supervisors

utilities

Error reports are an example of

Choose an answer

sheduled report

on-demand reports

exception reports

external reports

Software to persue the Internet.

Choose an answer

gateway

EFT

browser

teleconferencing

Rearranging data in a new sequence is known as.

Choose an answer

Updating

Batching

Sorting

Summarising

A collection of related fields in data organizing is called

Choose an answer

group

register

file

record

A device that connects multiple nodes to the network is.

Choose an answer

A modem

A repeater

A router

A hub

The hexadecimal number system is widely used in analyzing and programming in.

Choose an answer

analog computers

binary computers

decimal computers

micro computers

Is Secondary storage device

Choose an answer

CD-ROM

ROM

Cache

RAM

___________coding scheme is used by IBM

Choose an answer

Unicode

ASCII

EBCDIC

BCD

The name for the screen clarity is :

Choose an answer

Resolution

Discrete

Pixel

LCD

_________Coding schemes use 4 bit code

Choose an answer

Unicode

ASCII

EBCDIC

BCD

Which of the following cable is comprised of two separate insulated copper wires that are twisted?

Choose an answer

Fiber optics

Twisted pair wire

coax

Submarine

Conferencing in relation to computer systems means

Choose an answer

Transfer of documents electronically via computers linked to each other

Getting looked to an international network of computers

Having unauthorized access to computer data

online meanings using computers linked to each other

A search engine is

Choose an answer

A software to search for engines

A device search for motor engine

A website that sells products and services

A website that look through databases for matching criteria

The number 7F00 in Hexadecimal when multiplied by 61 us

Choose an answer

7F16

167F00

7F006

None of these

Boolean description for the exclusive OR gate for two inputs x and y can be written as.

Choose an answer

x + y __

_x _y

x. y + x. y

x . y + x .y

Mainframe computers are capable of communicating with several users simultaneously by.

Choose an answer

using a terminal

using a supercomputer

using a workstation

timesharing

The concurrent processing of computer program via terminals on one computer system is an example of.

Choose an answer

real time processing

time-sharing

Interactive processing

all of the above

The differential equations are solved by.

Choose an answer

analog computers

digital computers

differential machine

both analog and digital computers

Which type of computer operates by directly counting numbers.

Choose an answer

special purpose

analog

digital

hybrid

The main advantage of hexadecimal number is the case of conversion from hexadecimal to.

Choose an answer

ASCII code

binary

octal

decimal

Another name for an operating environment is

Choose an answer

page

layer

shell

supervisor

The entire computer system is coordinated by.

Choose an answer

the ALU

the accumulator

the control unit

arithmetic operators

The voice channel has a bandwidth of

Choose an answer

0 - 2 KHz

0 - 4 KHz

5 - 10 KHz

10 - 20 KHz

The transfer if encoded information from one location to another by a communication channel is called

Choose an answer

data processing

data distribution

data communication

data encryption

TIme-sharing of resources by users is usually.

Choose an answer

based on time slices

based on input

event-driven

operated by spooling

How many input leads will be required for a chip containing four two-input Not gates?

Choose an answer

7

14

12

13

The kind of interview where all questions are planned in advance is called

Choose an answer

preplanned

structured

observation

unstructutred

The process of detecting, locating and correcting logic error is called

Choose an answer

desk-checking

translating

debugging

documenting

During the development of a program, drawing a flowchart is a means to

Choose an answer

plan the solution

code the program

define the problem

document the problem

Boolean algebra is also known as.

Choose an answer

logical algebra

control algebra

switching algebra

programming algebra

To most commonly used output device today is a.

Choose an answer

CRT monitor

keyboard

mouse

card punch

Scheduling deadlines and milestones can be shown on a.

Choose an answer

system survey

decision table

prototype

Gantt chart

Most mainframe computers are basically.

Choose an answer

4 bit machines

8 bit machines

32 bit machines

16 bit machines

Data processing is also called :

Choose an answer

Data computing

Information technology

Information system

Calculating

The memory area for programs with highest priority

Choose an answer

page frames

the background

shells

queues

NOS refers to

Choose an answer

network open system

booting

network operating system

round-robin scheduling

A bootstrap is.

Choose an answer

the flat cable that connects the CPU to the printer

the flat cable from the disk controller card to the disk drive

additional memory device

a small initialization program to start up the computer

A device used for optical-character recognition is a.

Choose an answer

wand reader

light pen

mouse

MICR reader

Types of Flat-Panel Display are

Choose an answer

LCD

EL

Gas-plasma

All of the above

AB₁₆+ CD₁₆= ________

Choose an answer

101111010₂

101111000₂

101111110₂

101101000₂

A computer process information

Choose an answer

as direct by the operator

automatically

at once

gradually and eventually

Pick up wrong logical expression

Choose an answer

The central processing Unit (CPU) comprises of.

Choose an answer

memory, VDU , and printer

input device , output device and memory

store , arithmetic and logic unit and control unit

software, hardware and power supply unit

Which of the following is associated with second generations computers.

Choose an answer

transistors

megnetic core memory

high level procedural language

all of the above

Analog signal is measured in

Choose an answer

Volts

Pulses

Hertz

WATTS

The use of computer for business applications is attractive because of its/

Choose an answer

accuracy

reliability

speed

all of the above

The logic device that perform Boolean multiplication is.

Choose an answer

AND gate

OR gate

Inverter

None of these

BCD stands for

Choose an answer

Bit coded digit

Byte coded decimal

Binary coded decimal

None

The different memory locations are identified by hexadecimal numbers called.

Choose an answer

ASCII code

bytes

BCD numbers

addresses

A Digitizer uses a mouse like copying device called

Choose an answer

Puck

Push

Pop

Paste

The circuit that is used for parallel to serial conversion is

Choose an answer

decoder

encoder

multiplexer

demultiplexer

Which of the following is not hardware

Choose an answer

Magnetic tap

Printer

VDU terminal

Assembler

According to absorption law x. (x+y) =

Choose an answer

x

y

1+x

1+y

Historically, the first computers were used for.

Choose an answer

text processing

data storage

simulation and modeling

arithmetic calculations

The clock speed of a computer is measured in.

Choose an answer

megahertz

kilobytes

megabytes

binary digits

__________key is used to change lowercase letters mode to uppercase and vice versa.

Choose an answer

Alt

Enter

Ctrl

Caps Lock

The _____________ is the physical path over which the message travels :

Choose an answer

Protocol

Medium

Signal

All of the above

The number 10000 would appear just immediately after.

Choose an answer

FFFF (hex)

1111 (binary)

7777 (octal)

all of the above

Microwave transmission, coaxial cables, and fiber optics are examples of.

Choose an answer

modems

communication links

gateways

ring network

The major generational problem of the early first generation computers was

Choose an answer

inaccurate results

poor reliability

delayed results

limited capabilities

A set of instructions in a computer is:

Choose an answer

Software

Program

Hardware

Both A and B

The smallest unit of information is a(n).

Choose an answer

byte

bit

element

atom

Computer follows a simple rule called GIGO, GIGO stand for

Choose an answer

good input, good output

great instructions, great output

garbage in, garbage out

gated input, gated output

A 64 K-bit word computer has

Choose an answer

64 x 1000 bits

64 x 1012 bits

64 x 1020 bits

64 x 1024 bits

Graphics and other paperwork can be transmitted directly using which technology?

Choose an answer

CSMA/CD

token passing

facsimile

bulletin board

A digital computer system consists of a central processing unit (CPU) interfaced with.

Choose an answer

input devices

auxilary storage

output devices

all of the above

What layer of the OSI model does data compression?

Choose an answer

Network

Data Link

Presentation

Physical

All of the following are normally input devices except for.

Choose an answer

a digital camera

a mouse

an LCD

a digitizer (scanner)

A dump terminal signifies that

Choose an answer

It has lower IQ compared to an intelligent terminal

It can not be used as an independent computer

It does not have a keyboard connected to it

It belongs to firs generation computers

All of the following are Guided Communication media except

Choose an answer

Fiber-Optic Cable

Wire Cable

Coaxial Cable

Satellite-based , Microwave communication

The ENIAC, using ABC principles, was designed by.

Choose an answer

Charles Babbage

Bell Laboratories

John V. Atanasoff

Mauchly and Eckert

Data us transmitted block by block in

Choose an answer

Asynchronous mode

Synchronous mode

Communication mode

Satellite mode

Use to ensure that no alternative is overlooked during data analysis.

Choose an answer

data flow diagram

organization chart

Gantt chart

decision table

126₈+ 425₈= __________

Choose an answer

111101011₂

101101001₂

101101011₂

101100011₂

Octal number system uses the digit 0 to 7. The equivalent of Octal 126 in decimal system is.

Choose an answer

80

82

86

84

The technique in shared systems that avoid interspersed printout from several programs is

Choose an answer

paging

queuing

slicing

spooling

According to Boolean algebra x + 1 = ______________

Choose an answer

0

1

x

_________ is not a hardware component.

Choose an answer

Input device

Secondary Storage

Processor

Operating system

Network topologies are categorized into the following basic types

Choose an answer

Bus, Ring

Star , Tree

Mesh

All of the above

A digital compute performs its computations by

Choose an answer

mechanical means

analogy

guessing

counting

Stored instructions and data in a digital computer consist of.

Choose an answer

alphabets

numerals

characters

bits

The data obtained by counting are called

Choose an answer

digital data

continuous data

analog data

discrete data

Logical multiplication refers to operation of.

Choose an answer

OR gate

AND gate

NOT gate

inverter gater

The FORTRAN equivalent of the mathematical expression ab/cd is.

Choose an answer

A * B / C * D

A.B / C.D

A * B / (C*D)

A*B/B*D

Error messages provided by a compiler are called

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bug

diagnostic

translation

mistakes

An integrated circuit is.

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a complex circuit

an integrating device

fabricated on a tiny silicon chip

another name for chip

Popular object-oriented languages.

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Pascal, Modula-3

C++ , Smalltalk

LOGO , PROLOG

COBOL , BASIC

The analog computer deal directly with.

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number or pulses

measured values of continuous physical magnitudes

signals in the form of 0 or 1

signal in discrete values form 0 to 9

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A + B + C + D

A + B C + D

Which is not associated with the main memory of computer.

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semiconductor memory

core memory

read only memory

sequential memory

OSI model has

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11 layers

7 layers

3 layers

10 layers

The corresponding memory spaces for pages are called

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page utility

page frames

page blocks

page modules

A computer that accepts handwritten input on a screen.

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minicomputer

desktop computer

mainframe

pen-based computer

In EBCDIC (extended binary coded decimal interchange code) each character is denoted by

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3 bits

4 bits

5 bits

8 bits

The binary number 10011101 is equal to the hexadecimal number.

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9E

9F

9D

FF

Pick up wrong statement regarding analog computers

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Initial conditions during integration operation are imposed in an analog computer during reset mode

Differentiators is analog circuit are not popular, became they are incapable of handling noisy ramp signals

Memory or storage is an essential component of an analog computer

Repetitive operations of analog computers are done to get a display on oscilloscope

Take-a-turn time-sharing

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spooling

interfacing

round-robin-scheduling

prompting

The equipment attached to CPU which computer can access are called.

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hardware

input/output devices

peripherals

computer components

Temporary storage areas within the CPU are called

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ROMs

Registers

Accumulators

Address

Imaging used what device to input data.?

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scanner

icon

bar code reader

tablet

The Media Access Control sub layer resides in which layer

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Data link

Physical

Network

Transport

A hybrid computer is the one having combined properties of.

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Super and microcomputers

Mini and microcomputers

Analog and digital computers

None of the above

Number 375₁₀is equivalent in binary system to.

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101110101

100110101

101110111

101110011

Data items are generally classified into which type of codes

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Numeric

Alphanumeric

Character

All of the above

If one or more computers are connected to a central Hub, this topology is called

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Ring topology

Bus topology

Star topology

Modulation

ASCII 8 bit code can represent maximum

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256 character

128 character

64 character

65536 character

In FORTRAN, the variable COUNT is used as.

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integer variable

real variable

logical variable

complex variable

Which is not a professional computer job?

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system analyst

programmer

user

data entry operator

If electrical power supply to a computer system is inadvertently disrupted, the serious damage would occur to.

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CPU

disk

CRT

printer

The Mark I was built by.

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Thomas Watson

Dr. John Mauchly

Howard Aiken

The Barcode is called

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Universal product code

EBCDIC code

ASCll Code

Unicode

________ pointing device uses the sensors to detect the touch of a finger

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Touchscreen

Light Pen

Pointing Stick

Joystick

The fist Apple computer was built in

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a garage

a warehouse

an apartment

a factory

If a processor does not have direct and unassisted access to data items, these items are said to be.

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off line

Time Shared

on line

None of these

Point of sale terminal to.

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Terminals associated with MICR

Smart terminal

Terminal associated with OCR

None of above

Light sound and radio waves are examples of :

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Analog Signals

Digital Signals

Simple Signals

None

Alphanumeric characters are expressed in terms of binary codes. In ASCII (American standard Code for Information Interchange) each character is represented as a

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8 bit code

4 bit code

5 bit code

7 bit code

The cursor can be moved rolling this device on a flat surface.

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mouse

wand reader

trackball

interactive tablet

In the course of a systems project, systems design

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follows systems analysis

follows development

precedes systems analysis

is the fourth phase

The media Access Control sublayer resides in which OSI layer?

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Physical

Data Link

Network

Transport

The first few working computers.

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were all made by American scientists

were used almost exclusively for text processing

generally had black and white CRT screen

were, for the most part, developed for wartime uses

For calculating taxes, input to a computer could be.

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numbers representing wages

income

tax tables

all of the above

Base 8 is often used in computing because.

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there are 8 bit in a byte

calculations become easier by using base 8

electronic circuits can be made econmically

it can represent long strings of binary 1's an 0's in a more compact form

A device that receives messages is called:

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Transmitter

Receiver

Source

Sender

Computer operations are synchronized by.

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the CPU clock

megabytes

the binary system

E-time

The presence of both data and its related instructions in an object is

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C++

encapsulation

orientation

inheritance