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MCQ

Q.

_______ produces the relation that has attributes of R1 and R2

A

Cartesian product

B

Difference

C

Intersection

D

Product

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MCQ

1.

Which of the following operations need the participating relations to be union compatible?

A

UNION

B

INTERSECTION

C

DIFFERENCEqq

D

All of the above

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2.

An instruction that transfers program control to one or more possible paths is known as

A

Utility program

B

System software

C

Broadband channel

D

Application program

E

None of the above

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Off-line operation is the operation of devices without the control of

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Memory

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CPU

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ALU

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Control unit

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What is the name given to the weapons which use computerised guidance system?

A

Guided weapons

B

Smart weapons

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Dumb weapons

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Starwars weapons

E

None of the above

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5.

To save a document in different location use:

A

Save

B

Save As

C

Save as web page

D

All of the above

E

None of these

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