Menu

Question Discussion & Solution

MCQ

Q.

NOP instruction introduces

A

Address

B

Delay

C

Memory location

D

None of the mentioned

Community Discussion

No discussions yet. Be the first to start!

You must be logged in to participate in the discussion.

Login to Discuss

Similar Questions

MCQ

1.

Which of the following is a mnemonic?

A

ADD

B

ADC

C

AAA

D

ADD & ADC

Discussion

MCQ

2.

The instruction that pushes the contents of the specified register/memory location on to the stack is

A

PUSHF

B

POPF

C

PUSH

D

POP

Discussion

MCQ

3.

In POP instruction, after each execution of the instruction, the stack pointer is

A

incremented by 1

B

decremented by 1

C

incremented by 2

D

decremented by 2

Discussion

MCQ

4.

The instruction that converts the result in an unpacked decimal digits is

A

AAA

B

AAA

C

AAM

D

All of the mentioned

Discussion

MCQ

5.

The instructions that are used for reading an input port and writing an output port respectively are

A

MOV, XCHG

B

MOV, IN

C

IN, MOV

D

IN, OUT

Discussion

More Microprocessor Topics

Microprocessor Basics

84 MCQs

Classification

10 MCQs

Input Output interfacing

20 MCQs

Microcontroller

35 MCQs

8085 Architecture

22 MCQs

8086 Microprocessor

107 MCQs

Multiprocessor Configuration

10 MCQs

Peripheral Interface

10 MCQs

Register Set of 8051

28 MCQs

Serial Communication Unit

12 MCQs

Segmentation

21 MCQs

Paging

14 MCQs

Instruction Set of 8086 8088

40 MCQs

Interrupt and Stack of 8051

20 MCQs

8051 Instruction Set

23 MCQs