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.
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
Q612.
The hexadecimal number BBC7 is equivalent to decimal number

a.

49761

b.

46791

c.

47691

d.

49761

Discuss
Answer: (b).46791
Q613.
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
Q614.
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
Q615.
Assertion (A): In hybrid digital circuits the problem of logic race can occur.

Reason (R): In two level logic there is no problem of logic race.

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: (b).Both A and R are correct but R is not correct explanation of A
Q616.
What is the memory word size of 8085 ฮผp?

a.

6 bits

b.

8 bits

c.

12 bits

d.

16 bits

Discuss
Answer: (b).8 bits
Q617.
Binary number 101101 when converted to its 2's complement will become

a.

0101.01

b.

0100.10

c.

0100.10

d.

0101.10

Discuss
Answer: (c).0100.10
Q618.
Inputs A and B of the given figure are applied to a NAND gate. The output is LOW

a.

from 0 to 6

b.

from 0 to 2

c.

from 0 to 1 and 2 to 3

d.

from 1 to 2 and 3 to 4

Discuss
Answer: (c).from 0 to 1 and 2 to 3
Q619.
For the NMOS gate in the given figure, F =

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q620.
The logic circuit of the given figure is equivalent to

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
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