8086 Microprocessor Questions

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71.

_______ signal is generated by combining RD and WR signals with IO/M

A

control

B

memory

C

register

D

system

Correct Answer: A

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72.

Memory is an integral part of a _______ system

A

supercomputer

B

microcomputer

C

mini computer

D

mainframe computer

Correct Answer: B

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73.

_____ has certain signal requirements write into and read from its registers

A

memory

B

register

C

both (a) and (b)

D

control

Correct Answer: A

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74.

An _________ is used to fetch one address

A

internal decoder

B

external decoder

C

encoder

D

register

Correct Answer: A

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75.

The primary function of the _____________ is to accept data from I/P devices

A

multiprocessor

B

microprocessor

C

peripherals

D

interfaces

Correct Answer: B

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76.

___________ signal prevent the microprocessor from reading the same data more than one

A

pipelining

B

handshaking

C

controlling

D

signaling

Correct Answer: B

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77.

Bits in IRR interrupt are ______

A

reset

B

set

C

stop

D

start

Correct Answer: B

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78.

__________ generate interrupt signal to microprocessor and receive acknowledge

A

priority resolver

B

control logic

C

interrupt request register

D

interrupt register

Correct Answer: B

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79.

The _______ pin is used to select direct command word

A

A0

B

D7-D6

C

A12

D

AD7-AD6

Correct Answer: A

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80.

The _______ is used to connect more microprocessor

A

peripheral device

B

cascade

C

I/O devices

D

control unit

Correct Answer: B

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