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MCQ

Q.

The CPU hardware has a wire called __________ that the CPU senses after executing every instruction.

A

interrupt request line

B

interrupt bus

C

interrupt receive line

D

interrupt sense line

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Similar Questions

MCQ

1.

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

Discussion

MCQ

2.

A ________ is a collection of electronics that can operate a port, a bus, or a device.

A

controller

B

driver

C

host

D

bus

Discussion

MCQ

3.

What is a dedicated device?

A

opposite to a sharable device

B

same as a sharable device

C

can be used concurrently by several processes

D

none of the mentioned

Discussion

MCQ

4.

For large data transfers, _________ is used.

A

DMA

B

programmed I/O

C

controller register

D

none of the mentioned

Discussion

MCQ

5.

The _________ present a uniform device-access interface to the I/O subsystem, much as system calls provide a standard interface between the application and the operating system.

A

Devices

B

Buses

C

Device drivers

D

I/O systems

Discussion

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