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 110 of 117

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Q1091.
Which of the following statement is correct?

a.

Decimal 9 is represented as 1011 in Excess-3 code

b.

Decimal 9 is represented as 1001 is BCD code

c.

Decimal 10 is represented as 1100 is Gray code

d.

Decimal 10 is represented as 1001 in binary code

Discuss
Answer: (b).Decimal 9 is represented as 1001 is BCD code
Q1092.
For emitter-couple logic, the switching speed is very high because

a.

negative logic is used

b.

the transistors are not saturated when conducting

c.

emitter-coupled transistors are used

d.

multi-emitter transistors are used

Discuss
Answer: (b).the transistors are not saturated when conducting
Q1093.
Subroutines are used in larger programs not

a.

to increase the programming case

b.

to reduce storage equipment

c.

to reduce program extension time

d.

for ease of program testing at the program development time

Discuss
Answer: (d).for ease of program testing at the program development time
Q1094.
The basic circuit configuration for TTL resembles that of a

a.

AND gate

b.

NAND gate

c.

NOR gate

d.

OR gate

Discuss
Answer: (b).NAND gate
Q1095.
Time delay of a TTL standard family is about

a.

180 ns

b.

50 ns

c.

18 ns

d.

3 ns

Discuss
Answer: (c).18 ns
Q1096.
Assertion (A): Boolean expressions can be easily simplified using Karnaugh map.

Reason (R): Karnaugh map can be drawn for minterms as well as max terms.

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
Q1097.
In a flip flop which input determines the state to which output will transistion?

a.

Control input

b.

Clock input

c.

Both control and clock input

d.

Either control or clock input

Discuss
Answer: (a).Control input
Q1098.
In a synchronous counter all flip flops are clocked together.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q1099.
When two 16-input multiplexers drive a 2-input MUX, what is the result?

a.

2-input MUX

b.

4-input MUX

c.

16-input MUX

d.

32 input MUX

Discuss
Answer: (d).32 input MUX
Q1100.
Two voltages are -5 V and -10 V. In positive logic

a.

-5 V is 1 and -10 V is 0

b.

-10 V is 1 and -5 V is 0

c.

-5 V is 1 in some circuits and 0 in others

d.

-10 V is 1 in some circuits and 0 in others

Discuss
Answer: (a).-5 V is 1 and -10 V is 0
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