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 16 of 117

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Q151.
A ring counter with 5 flip flops will have
Discuss
Answer: (a).5 states
Q152.
The number of distinct Boolean expression of 4 variables is
Discuss
Answer: (d).65536
Q153.
The fixed count that should be used so that the output register will represent the input for a 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).
Discuss
Answer: (a).000110
Q154.
A memory system of size 16 k bytes is to be designed using memory chips which have 12 address lines and 4 data lines each. The number of such chips required to design the memory system is

a.

2

b.

4

c.

8

d.

18

Discuss
Answer: (c).8
Q155.
In a 7 segment display, LEDs b and c lit up. The decimal number displayed is

a.

9

b.

7

c.

3

d.

1

Discuss
Answer: (d).1
Q156.
A 12 bit ADC is used to convert analog voltage of 0 to 10 V into digital. The resolution is
Discuss
Answer: (a).2.44 mV
Discuss
Answer: (b).two half adders and a OR gate
Q158.
The output of a half adder is
Discuss
Answer: (c).SUM and CARRY
Q159.
In the expression A + BC, the total number of minterms will be

a.

2

b.

3

c.

4

d.

5

Discuss
Answer: (d).5
Q160.
Which of the following is non-saturating?
Discuss
Answer: (c).ECL