8086 Microprocessor Questions

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61.

A _____ Instruction at the end of interrupt service program takes the execution back to the interrupted program

A

forward

B

return 

C

data

D

line

Correct Answer: B

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62.

The main concerns of the ___________ are to define a flexible set of commands

A

memory interface

B

peripheral interface

C

both (A) and (B)

D

control interface

Correct Answer: A

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63.

Primary function of memory interfacing is that the _________ should be able to read from and write into register

A

multiprocessor

B

microprocessor

C

dual Processor

D

coprocessor

Correct Answer: B

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64.

To perform any operations, the Mp should identify the __________

A

register

B

memory

C

interface

D

system

Correct Answer: A

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65.

The Microprocessor places __________ address on the address bus

A

4 bit

B

8 bit

C

16 bit

D

32 bit

Correct Answer: C

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66.

The Microprocessor places 16 bit address on the add lines from that address by _____ register should be selected

A

address

B

one 

C

two 

D

three

Correct Answer: B

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67.

The ________of the memory chip will identify and select the register for the EPROM

A

internal decoder

B

external decoder

C

address decoder

D

data decoder

Correct Answer: A

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68.

Microprocessor provides signal like ____ to indicate the read operation

A

LOW

B

MCMW

C

MCMR

D

MCMWR

Correct Answer: C

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69.

To interface memory with the microprocessor, connect register the lines of the address bus must be added to address lines of the _______ chip.

A

single

B

memory

C

mutiple

D

triple

Correct Answer: B

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70.

The remaining address line of ______ bus is decoded to generate chip select signal

A

data

B

address

C

control bus

D

both (a) and (b)

Correct Answer: B

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