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 48 of 117

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Q471.
In 8085 microprocessor, how many lines are there in address bus?
Discuss
Answer: (d).16
Discuss
Answer: (b).low output impedance
Discuss
Answer: (c).both low density and high cost
Q474.
How many JK flip-flops are needed to make a 4-bit shift register?

a.

2

b.

4

c.

6

d.

8

Discuss
Answer: (b).4
Q475.
A 10 MHz square wave clocks 5 bit ripple counter. The frequency of the 3rd FF output is
Discuss
Answer: (b).1.25 MHz
Q476.
The radix of a hexadecimal system is

a.

2

b.

3

c.

8

d.

16

Discuss
Answer: (d).16
Q477.
In 8085 microprocessor, what is the memory word addressing capability?
Discuss
Answer: (b).64 K
Q478.
Gray code is used in devices which convert analog quantities to digital signal because it is
Discuss
Answer: (a).more error free
Q479.
A transistor is operated as non-saturated switch to eliminate
Discuss
Answer: (b).turn off time
Q480.
Which has the lowest propagation delay time?
Discuss
Answer: (a).ECL