Menu

Question Discussion & Solution

MCQ

Q.

The 8051 stack is

A

auto-decrement during PUSH operations

B

auto-increment during POP operations

C

auto-decrement during POP operations

D

auto-increment during PUSH operations

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 pulses at T0 or T1 pin are counted in

A

timer mode

B

counter mode

C

idle mode

D

power down mode

Discussion

MCQ

2.

The timer generates an interrupt, if the count value reaches to

A

00FFH

B

FF00H

C

0FFFH

D

FFFFH

Discussion

MCQ

3.

All the interrupts are enabled using a special function register called

A

interrupt priority register

B

interrupt register

C

interrupt function register

D

interrupt enable register

Discussion

MCQ

4.

In serial port interrupt, after the control is transferred to the interrupt service routine, the flag that is cleared is

A

RI

B

TI

C

RI and TI

D

None

Discussion

MCQ

5.

The atleast number of machine cycles for which the external interrupts that are programmed level-sensitive should remain high is

A

1

B

2

C

3

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