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 62 of 117

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Q611.
A mod-2 counter followed by a mod 5 is same as

a.

mod-7 counter

b.

A decade counter

c.

mod-3 counter

d.

none

Discuss
Answer: (b).A decade counter
Q612.
The write cycle time of memory is 200 nsec. The maximum rate of data which can be stored is

a.

200 words/sec

b.

5 x 10³ words/sec

c.

5 x 10⁶ word/sec

d.

5 x 10⁹ words/sec

Discuss
Answer: (c).5 x 10⁶ word/sec
Q613.
The no. of FF required and the maximum decimal no. of a MOD-12 counter is

a.

12, 12

b.

4, 11

c.

3, 6

d.

4, 10

Discuss
Answer: (b).4, 11
Q614.
In a four variable K map eight adjacent cells give

a.

single variable term

b.

two variable term

c.

three variable term

d.

four variable term

Discuss
Answer: (a).single variable term
Q615.
In a digital counter the number of flip-flops is

a.

always 2

b.

always even

c.

always odd

d.

equal to the number of bits required in the final binary count

Discuss
Answer: (c).always odd
Q616.
Assertion (A): Gray code is used in shaft position encoding.

Reason (R): In gray code only a single bit change occurs when going from one code to another.

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R are correct but R is not correct explanation of A

c.

A is true, R is false

d.

A is false, R is true

Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q617.
As compared to MOS memories, bipolar memories have

a.

slower access time but are cheaper

b.

slower access time and are costly

c.

faster access time and are cheaper

d.

faster access time and are costly

Discuss
Answer: (d).faster access time and are costly
Q618.
The hexadecimal number BBC7 is equivalent to decimal number

a.

49761

b.

46791

c.

47691

d.

49761

Discuss
Answer: (b).46791
Q619.
In 8085, out of interrupts given below, one particular interrupts is quite different from others, This interrupt is

a.

RST 5.5

b.

RST 6.5

c.

RST 7.5

d.

none of these

Discuss
Answer: (c).RST 7.5
Q620.
An A/D converter uses for reference purposes

a.

DC voltage

b.

a saw tooth generator

c.

set of keys

d.

a flip-flop

Discuss
Answer: (b).a saw tooth generator
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