Question # 1

The data or information that describes an entity is called:

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Attribute

Data item

Record

Tuple

The number of characters in fixed-length field is:

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Constant

Variable

10

100

An attribute is also known as a:

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Table

Row

Relation

Field

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

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x and y co-ordinates

Matrix elements

Rows and columns

Intersection of data

Which is a loop statement?

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If

If-else

Switch

None of these

Which is related to modality?

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Optional

Mandatory

Unidirectional

Both A & B

Which is not a logical operator?

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||

!

!=

&&

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

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do-white

While

For

None of these

A table most has

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primary key

secondary key

composite key

sort key

The functions that are defined by programmer are called:

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User-defined

Subprograms

Subroutines

Built-in functions

Which type of variable can store numbers data ?

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int

float

double

all

Which of the following is not a valid variable name ?

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Roll No

Roll-No

Roll #

A table should have :

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Primary key

Secondary key

Composite key

Sort key

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

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2

4

6

8

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

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Default statement

If-else statement

Break statement

Else statement

A row of relation is called

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attribute

entity

tuple

both a & c

A two-dimensional table of data is called a

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group

set

declaration

relation

A row of a relation is called:

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Attribute

Entity

Tuple

a and c

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

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\a

\b

\n

The operator that needs one operand is called

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unary

binary

ternary

all

Which of the following is NOT a characteristic of relation?

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Each row is unique

The order of columns is significant

The order of rows is insignificant

Columns are all elemental or atomic

An index can be used to :

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Improve the performance of the database

Document the structure of the database

Reduce data dependency for application programs

All

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ICS Part 2 Computer Science Chapter 2 Online Test MCQs With Answers

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