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MCQ

Q.

A 20-bit address bus allows access to a memory of capacity

A

8085

B

8086

C

8087

D

8088

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MCQ

1.

. The microprocessor determines whether the specified condition exists or not by testing the ______

A

carry flag

B

conditional flag

C

common flag

D

sign flag

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2.

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

A

memory

B

register

C

both (a) and (b)

D

control

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3.

The ___ bus controller device decodes the signals to produce the control bus signal

A

internal

B

data

C

external

D

address

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4.

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

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memory interface

B

peripheral interface

C

both (A) and (B)

D

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5.

ALE stands for ___________

A

address latch enable

B

address level enable

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address leak enable

D

address leak extension

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