8086 Microprocessor Questions

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81.

CS connect the output of ______

A

encoder

B

decoder

C

slave program

D

buffer

Correct Answer: B

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82.

In which year, 8086 was introduced?

A

1978

B

1979

C

1977

D

1981

Correct Answer: A

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83.

Expansion for HMOS technology_______

A

high level mode oxygen semiconductor

B

high level metal oxygen semiconductor

C

high performance medium oxide semiconductor

D

high performance metal oxide semiconductor

Correct Answer: D

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84.

8086 and 8088 contains _______ transistors

A

29000

B

24000

C

34000

D

54000

Correct Answer: A

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85.

ALE stands for ___________

A

address latch enable

B

address level enable

C

address leak enable

D

address leak extension

Correct Answer: A

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86.

What is DEN?

A

direct enable

B

data entered

C

data enable

D

data encoding

Correct Answer: C

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87.

In 8086, Example for Non maskable interrupts are ________.

A

TRAP

B

RST6.5

C

INTR

D

RST6.6

Correct Answer: A

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88.

In 8086 the overflow flag is set when _____________

A

the sum is more than 16 bits.

B

signed numbers go out of their range after an arithmetic operation.

C

carry and sign flags are set.

D

subtraction

Correct Answer: B

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89.

In 8086 microprocessor the following has the highest priority among all type interrupts?

A

NMI

B

DIV 0

C

TYPE 255

D

OVER FLOW

Correct Answer: A

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90.

In 8086 microprocessor one of the following statements is not true?

A

coprocessor is interfaced in max mode.

B

coprocessor is interfaced in min mode.

C

I /O can be interfaced in max / min mode.

D

supports pipelining

Correct Answer: B

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