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MCQ

Q.

What is an interrupt vector?

A

It is an address that is indexed to an interrupt handler

B

It is a unique device number that is indexed by an address

C

It is a unique identity given to an interrupt

D

None of the mentioned

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Similar Questions

MCQ

1.

I/O hardware contains ____________

A

Bus

B

Controller

C

I/O port and its registers

D

All of the mentioned

Discussion

MCQ

2.

Buffering is done to ____________

A

cope with device speed mismatch

B

cope with device transfer size mismatch

C

maintain copy semantics

D

all of the mentioned

Discussion

MCQ

3.

Caching is ________ spooling.

A

same as

B

not the same as

C

all of the mentioned

D

none of the mentioned

Discussion

MCQ

4.

An asynchronous call ____________

A

returns immediately, without waiting for the I/O to complete

B

does not return immediately and waits for the I/O to complete

C

consumes a lot of time

D

is too slow

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MCQ

5.

Which hardware triggers some operation after certain programmed count?

A

programmable interval timer

B

interrupt timer

C

programmable timer

D

none of the mentioned

Discussion

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