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 5 of 117

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Q41.
In a 7 segment display, LEDs b and c lit up. The decimal number displayed is

a.

9

b.

7

c.

3

d.

1

Discuss
Answer: (d).1
Q42.
A 12 bit ADC is used to convert analog voltage of 0 to 10 V into digital. The resolution is
Discuss
Answer: (a).2.44 mV
Discuss
Answer: (b).two half adders and a OR gate
Q44.
The output of a half adder is
Discuss
Answer: (c).SUM and CARRY
Q45.
In the expression A + BC, the total number of minterms will be

a.

2

b.

3

c.

4

d.

5

Discuss
Answer: (d).5
Q46.
Which of the following is non-saturating?
Discuss
Answer: (c).ECL
Q47.
The number of digits in octal system is

a.

8

b.

7

c.

9

d.

10

Discuss
Answer: (a).8
Q48.
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
Q49.
Which device has one input and many outputs?
Discuss
Answer: (b).Demultiplexer
Q50.
A carry look ahead adder is frequently used for addition because
Discuss
Answer: (b).it is faster