Digital Electronics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Digital Electronics, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Digital Electronics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Digital Electronics mcq questions that explore various aspects of Digital Electronics problems. Each MCQ is crafted to challenge your understanding of Digital Electronics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Digital Electronics MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Digital Electronics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Digital Electronics knowledge to the test? Let's get started with our carefully curated MCQs!

Digital Electronics MCQs | Page 11 of 117

Discover more Topics under Electronics and Communication Engineering

Q101.
The contents of the program counter after the call operation point to the first instruction on the

a.

stack

b.

subroutine

c.

either of the above

d.

none of the above

Discuss
Answer: (b).subroutine
Q102.
The logic circuit in the given figure realizes the function

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q103.
An n bit ADC using Vr as reference has a resolution (in volts) of

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q104.
The logic performed by the high-noise immunity logic circuit shown below is

a.

OR

b.

AND

c.

NOR

d.

NAND

Discuss
Answer: (d).NAND
Q105.
The contents of the program counter after the call operation will be

a.

(30F0)H

b.

(40F0)H

c.

(50F0)H

d.

(60F0)H

Discuss
Answer: (a).(30F0)H
Q106.
In 8085 microprocessor, an active low signal INTA is not needed from up service which of the following interrupt request?

a.

TRAP

b.

INTR

c.

RST 7.5

d.

RST 5.5

Discuss
Answer: (a).TRAP
Q107.
For the K map in the given figure, the simplified expression is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q108.
The stack is a specialized temporary __________ access memory during __________ and __________ instructions.

The 8156 of a figure has RAM locations from 2000 H to 20 FFH.

a.

random, store, load

b.

random, push, load

c.

sequential, store, pop

d.

sequential, push, pop

Discuss
Answer: (d).sequential, push, pop
Q109.
The counter shown in the given figure is

a.

Synchronous

b.

Johnson

c.

Ring

d.

None of the above

Discuss
Answer: (d).None of the above
Q110.
The Truth Table shown is for a

a.

CMO

b.

counter

c.

flip-flop

d.

half adder

Discuss
Answer: (d).half adder
Page 11 of 117