Microprocessor-Instruction Set and Programming (NTA-NET (Based on NTA-UGC) Computer Science (Paper-II)): Questions 1 - 6 of 14

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Question number: 1

» Microprocessor » Instruction Set and Programming

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Appeared in Year: 2015

MCQ▾

Question

What will be the output at PORT1 if the following program is executed?

  1. MVI B82H
  2. MOV AB
  3. MOV CA
  4. MVI D37H
  5. OUT PORT1
  6. HLT

Choices

Choice (4) Response

a.

B9H

b.

37H

c.

00H

d.

82H

Question number: 2

» Microprocessor » Instruction Set and Programming

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Appeared in Year: 2016

MCQ▾

Question

The content of the accumulator after the execution of the following 8085 assembly language program, is:

  1. MVI A42H
  2. MVI B05H
  3. UGCADD B
  4. DCR B
  5. JNZ UGC
  6. ADI 25H
  7. HLT

Choices

Choice (4) Response

a.

82 H

b.

47 H

c.

76 H

d.

78 H

Question number: 3

» Microprocessor » Instruction Set and Programming

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Appeared in Year: 2016

MCQ▾

Question

Which of the following in 8085 microprocessor performs

Choices

Choice (4) Response

a.

DAD SP

b.

DAD H

c.

DAD D

d.

DAD B

Question number: 4

» Microprocessor » Instruction Set and Programming

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Appeared in Year: 2012

MCQ▾

Question

Which of the following flags are set when ‘JMP’ instruction is executed? (December Paper III)

Choices

Choice (4) Response

a.

SF and CF

b.

AF and CF

c.

All flags

d.

No flag is set

Question number: 5

» Microprocessor » Instruction Set and Programming

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Appeared in Year: 2013

MCQ▾

Question

Which is not a typical program control instruction? (June Paper III)

Choices

Choice (4) Response

a.

BR

b.

JMP

c.

SHL

d.

TST

Question number: 6

» Microprocessor » Instruction Set and Programming

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Appeared in Year: 2014

MCQ▾

Question

Specify the contents of the accumulator and the status of the S, Z and CY flags when 8085 microprocessor performs addition of 87 H and 79 H. (December Paper III)

Choices

Choice (4) Response

a.

11,1, 1,1

b.

01,1, 0,0

c.

00,0, 1,1

d.

10,0, 1,0

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