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Q.

I/O hardware contains ____________

A

Bus

B

Controller

C

I/O port and its registers

D

All of the mentioned

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Similar Questions

MCQ

1.

How does the software trigger an interrupt?

A

Sending signals to CPU through bus

B

Executing a special operation called system call

C

Executing a special program called system program

D

Executing a special program called interrupt trigger program

Discussion

MCQ

2.

The hardware mechanism that allows a device to notify the CPU is called _______

A

polling

B

interrupt

C

driver

D

controlling

Discussion

MCQ

3.

The device-status table contains ____________

A

each I/O device type

B

each I/O device address

C

each I/O device state

D

all of the mentioned

Discussion

MCQ

4.

DMA is used for __________

A

High speed devices

B

Low speed devices

C

Utilizing CPU cycles

D

All of the mentioned

Discussion

MCQ

5.

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

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