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 17 of 117

Discover more Topics under Electronics and Communication Engineering

01.

Materials and Components

02.

Networks Analysis and Synthesis

03.

Measurements and Instrumentation

04.

Analog Electronics

05.

Automatic Control Systems

06.

Radio Receivers

07.

Satellite Communication

08.

Signals and Systems

09.

Electronic Devices and Circuits

10.

Electromagnetic Field Theory

11.

Power Electronics

12.

Communication Systems

13.

Microwave Communication

14.

Microprocessors

Q161.

Hexadecimal number E is equal to binary number

a.

1110

b.

1101

c.

1001

d.

1111

Discuss

Answer: (a).1110

Q162.

Decimal number 46 in excess 3 code =

a.

1000 1001

b.

0111 1001

c.

0111 1111

d.

1000 1111

Discuss

Answer: (b).0111 1001

Q163.

Logic hardware is available only in NAND and NOR.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss

Answer: (b).False

Q164.

A 4 input AND gate is equivalent to

a.

4 switches in parallel

b.

2 switches in series and 2 in parallel

c.

three switches in parallel and one in series

d.

4 switches in series

Discuss

Answer: (d).4 switches in series

Q165.

Four inputs A, B, C, D are fed to a NOR gate. The output of NOR gate is fed to an inverter. The output of inverter is

a.

A

b.

B

c.

C

d.

D

Discuss

Answer: (a).A

Q166.

The circuit in the figure is has two CMOS-NOR gates. This circuit functions as a

a.

flip-flop

b.

schmitt trigger

c.

monostable multivibrator

d.

astable multivibrator

Discuss

Answer: (c).monostable multivibrator

Q167.

In the TTL circuit in the figure, S₂ to S₀ are select lines and X₇ to X₀ are input lines. S₀ and X₀ are LSBs. The output Y is

a.

A

b.

B

c.

C

d.

D

Discuss

Answer: (b).B

Q168.

The Boolean expression for the shaded area in the Venn diagram is

a.

X̅ + Y̅ + Z

b.

XY̅ + Z + X̅ YZ

c.

X̅ Y̅ Z + XY

d.

X + Y + Z

Discuss

Answer: (c).X̅ Y̅ Z + XY

Q169.

The logic realized by the circuit shown in figure below is

a.

F = A - C

b.

F = A + C

c.

F = B ⊙ C

d.

F = B ⊕ C

Discuss

Answer: (d).F = B ⊕ C

Q170.

The inputs A and B of the given figure are applied to a two input NOR gate. The output waveform is

a.

A

b.

B

c.

C

d.

D

Discuss

Answer: (b).B

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