8086 Microprocessor Questions

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91.

Address line for TRAP is?

A

0023H

B

0024H

C

0033H

D

0099H

Correct Answer: B

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92.

Access time is faster for _________

A

ROM

B

SRAM

C

DRAM

D

ERAM

Correct Answer: B

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93.

The First Microprocessor was__________

A

8080

B

8085

C

4008

D

Intel 4004

Correct Answer: D

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94.

Status register is also called as ___________

A

accumulator

B

stack

C

counter

D

flags

Correct Answer: D

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95.

Which of the following is not a basic element within the microprocessor?

A

Microcontroller

B

Arithmetic logic unit (ALU)

C

Register array

D

Control unit

Correct Answer: A

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96.

Which method bypasses the CPU for certain types of data transfer?

A

Software interrupts

B

Interrupt-driven I/O

C

Polled I/O

D

Direct memory access (DMA)

Correct Answer: D

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97.

Which bus is bidirectional?

A

Address bus

B

Control bus

C

Data bus

D

None of the above

Correct Answer: C

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98.

The first microprocessor had a(n)________

A

1

B

2

C

4

D

8

Correct Answer: C

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99.

Which microprocessor has multiplexed data and address lines?

A

8086

B

80286

C

80386

D

Pentium

Correct Answer: A

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100.

Which is not an operand?

A

Variable

B

Register

C

Memory Location

D

Assembler

Correct Answer: D

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