Question # 1

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

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Attribute

Data item

Record

Tuple

Which of the following operations has lowest precedence?

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!

+

=

==

Which of the following statement is correct?

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float num1;num2;

int day,night;

int continue=5.0;

string black='white';

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

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char

float

string

long

The symbol '=' represents

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Comparison operator

Assignment operator

Equal to operator

None of these

Which is true about a variable?

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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

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

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2

1

121

16

Which of the following is a valid character constant?

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a

"Hello"

'6'

=

Which is NOT a valid statement to initialize a variable?

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int n=100;

long,population=15000;

char n []="hello World";

cons int N=100;

Which is a valid statement for initializing of a variable?

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int n=100;

int x=50, y=75;

char grade='a'

All of these

The exponential notation consists of:

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Mantissa

Exponent

Range

A and B

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

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Varaible name

Datatype

Varaibletype

Varaiblesize

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

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float

int

char

long

Which of the following data type offers the highest precisions

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Float

Long int

Long double

Unsigned long unit

The data type can handle decimal places is:

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Long

float

char

string

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

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Foreign key

Composite key

Multi-valued key

Global key

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Computer Science Ics Part 2 Chapter 9 Online Test MCQs With Answers

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