8086 Microprocessor Questions

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51.

The pin of minimum mode AD0-AD15 has ____________ address

A

16 bit

B

20 bit

C

32 bit

D

4 bit

Correct Answer: B

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52.

The pin of minimum mode AD0- AD15 has _________ data bus

A

4 bit 

B

20 bit

C

16 bit

D

32 bit

Correct Answer: C

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53.

.The address bits are sent out on lines through __________

A

A16-19

B

A0-17

C

D0-D17

D

D0-D17

Correct Answer: A

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54.

 ________ is used to write into memory

A

RD

B

WR

C

RD / WR

D

CLK

Correct Answer: B

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55.

The functions of Pins from 24 to 31 depend on the mode in which _______ is operating

A

8085

B

8086

C

80835

D

80845

Correct Answer: B

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56.

The RD, WR, M/IO is the heart of control for a __________ mode

A

minimum

B

maximum

C

compatibility mode

D

control mode

Correct Answer: A

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57.

In a minimum mode there is a ___________ on the system bus

A

single

B

double

C

multiple

D

triple

Correct Answer: A

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58.

If MN/MX is low the 8086 operates in __________ mode

A

Minimum

B

Maximum

C

both (A) and (B)

D

medium

Correct Answer: B

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59.

In max mode, control bus signal So,S1 and S2 are sent out in ____________ form

A

decoded

B

encoded

C

shared

D

unshared

Correct Answer: B

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60.

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

A

internal

B

data

C

external

D

address

Correct Answer: C

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