Menu

Question Discussion & Solution

MCQ

Q.

The instruction that performs logical AND operation and the result of the operation is not available is

A

AAA

B

AND

C

TEST

D

XOR

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.

The instruction that is used as prefix to an instruction to execute it repeatedly until the CX register becomes zero is

A

SCAS

B

REP

C

CMPS

D

STOS

Discussion

MCQ

2.

The instruction that pushes the flag register on to the stack is

A

PUSH

B

POP

C

PUSHF

D

POPF

Discussion

MCQ

3.

In general, the source operand of an instruction can be

A

memory location

B

register

C

immediate data

D

all of the mentioned

Discussion

MCQ

4.

Which of the following instruction is not valid?

A

MOV AX, BX

B

MOV DS, 5000H

C

MOV AX, 5000H

D

PUSH AX

Discussion

MCQ

5.

Which of the following is not a machine controlled instruction?

A

HLT

B

CLC

C

LOCK

D

ESC

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