Digital Logic MCQ Questions Answers Computer Engineering CSE

Digital Logic MCQ Questions Answers – Computer Engineering CSE

Digital logic forms the foundation of modern electronics and computer systems. It’s a crucial topic that every student and professional in the field of computer science, electrical engineering, and electronics must grasp. One effective way to gauge your understanding of digital logic is through Multiple Choice Questions (MCQs). In this article, we will explore some common digital logic MCQ questions and provide comprehensive answers to help you master this fundamental concept.


1) Which of the following is the first integrated logic family?

a) RTL

b) DTL

c) TTL

d) MOS

View Answer
Option – a)


2) A digital gate can respond to an input signal in

a) about a second

b) about a hundredth of a second

c) a few billionth of a second

d) a few millisecond

View Answer
Option – c)


3)The time required for a pulse to change from 10 to 90 percent of its maximum value is defined as

a) rise time

b) decay time

c) propagation time

d) operating speed

View Answer
Option – a)


4) Standard TTL has a multiple emitter input transistor and a…….. output

a) totem-pole

b) chip

c) bipolar

d) loading-point

View Answer
Option – a)


5) A positive AND  gate is also a negative

a) NAND gate

b) NOR gate

c) AND gate

d) Or gate

View Answer
Option – b)


6) EPROM consist of

a) bipolar transistors

b) MOSFETs

c) UJTs

d) Dlodes

View Answer
Option – b)


7) Non-volatility is an important advantage of

a) CCD’s

b) RAM

c) PROM

d) EPROM

View Answer
Option – c)


8) Half-adder is also known as

a) AND gate

b) NAND gate

c) NOR gate

d) EX-OR gate

View Answer
Option – d)


9) Which of the following is not a magnetic memory?

a) core

b) disk

c) flip-flop

d) tape

View Answer
Option – c)


10) EE-ROM is

a) electrically erasable

b) Easily erasable

c) non-erasable

d) effective erasable

View Answer
Option – a)