Question # 1

Which of the following special symbol is used within a variable?

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+

@

-

%

A do-while loop is useful when

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The body of the loop will never be executed

The body of the loop will be executed at least once

The body of loop may never be execute

If we write an entire if-else construct within either the body of the if statement or the body of an else statement this is called

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Dangling else

Multiple statement with if-else

Nested 1-else

Switch statments

The degree of a table is the total number of

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Tuple

Attribute

Records

Fields

A system in which data can be received and sent simultaneously is called

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Simplex

Half duplex

Full-duplex

Multi-duplex

Which of the following statements is correct?

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A virus may destroy hardware

A virus cannot read Pin code or Credit card number

A virus may make resources unavailable to the users

None of the above

Each attribute of an entity set has a particular value The set of possible values that a given attribute can take is called its

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Range

Domain

Relationship

Association

The tool used to find a similar or alternative word in a document is called:

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Spell check

Dictionary

Thesaurus

Autocorrect

Word saves files with this file extension:

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.txt

.wp

.doc

.bak

The data in table is entered in

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Design view

normal view

Datasheet view

Layout view

_______can be previewed on the screen before printing

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Report

Form

Subform

justified

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NAT I Computer Science Computer MCQs With Answers

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