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

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Q161.
The number of digits in octal system is

a.

8

b.

7

c.

9

d.

10

Discuss
Answer: (a).8
Q162.
Minimum number of 2-input NAND gates required to implement the function F = (xฬ… + yฬ…) (Z + W) is

a.

3

b.

4

c.

5

d.

6

Discuss
Answer: (b).4
Q163.
Which device has one input and many outputs?
Discuss
Answer: (b).Demultiplexer
Q164.
A carry look ahead adder is frequently used for addition because
Discuss
Answer: (b).it is faster
Discuss
Answer: (b).sum of the index register value and the operand
Q166.
AB + ABฬ… =

a.

B

b.

A

c.

1

d.

0

Discuss
Answer: (b).A
Q167.
In a BCD to 7 segment decoder the minimum and maximum number of outputs active at any time is
Discuss
Answer: (a).2 and 7
Q168.
A three state switch has three outputs. These are
Discuss
Answer: (d).low, high, floating
Q169.
Maxterm designation for A + B + C is
Discuss
Answer: (a).Mโ‚€
Q170.
1's complement of 11100110 is
Discuss
Answer: (a).00011001