Question # 1

A candidate key is

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Primary key

The primary key selected to be the key of relation

A group attribute that can be the primary key

All of them

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

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Constant

Variable

Named constant

Address

a+=b is equivalent to:

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b+=a

a=+b

a=a+b

b=b+a

Which of the following operators has lowest precedence

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!

+

=

Which of the following operations has lowest precedence?

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!

+

=

==

Variables are created in

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Ram

Rom

Hard disk

Cache

An integer variable can store the value:

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-1.1

"123"

32898

5.5

The logical not operator denoted by is

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Ternary operator

Unary operator

a=a+b

b=b+a

The symbol '=' represents

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Comparison operator

Assignment operator

Equal to operator

None of these

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

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Constant

Variable

Keyword

Address

C is strongly typed language, it means that:

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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

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

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