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 25 of 117

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Q241.
The characteristic equation for the next state (Qn+1) of a J-K flip-flop is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q242.
Symbol in the given figure is IEEE symbol for
Discuss
Answer: (b).OR
Q243.
For the logic circuit of the given figure, Y =
Discuss
Answer: (c).AB
Q244.
The circuit realizes the function
Discuss
Answer: (a).(A + B) E + CD
Q245.
Which of the following is coincidence logic circuit?

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q246.
The circuit of the given figure performs
Discuss
Answer: (b).AND function
Q247.
In a 4 input OR gate, the total number of High outputs for the 16 input states are
Discuss
Answer: (b).15
Q248.
If A is 1011, A" is
Discuss
Answer: (a).1011
Discuss
Answer: (d).It has one input terminal
Q250.
The number of flip flops needed for a Mod 7 counter are

a.

7

b.

5

c.

3

d.

1

Discuss
Answer: (c).3