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 91 of 117

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Q901.
Which device uses Pneumatic fluid?
Discuss
Answer: (b).LCD
Q902.
Assertion (A): Decoder is not a combinational circuit.

Reason (R): Every memory element of semi conductor form has a decoder.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q903.
In 8085 microprocessor, in order to enable RST 5.5, RST 6.5 and RST 7.5 interrupts, which of the following instruction are needed?
Discuss
Answer: (c).EI and SIM both
Discuss
Answer: (d).can be retriggered while the output is being generated
Q905.
A(Aฬ… + B) =
Discuss
Answer: (c).AB
Q906.
Consider the Boolean expression X = ABCD + ABฬ…CD + Aฬ…BCD + Aฬ…CBฬ…D The simplified form of X is
Discuss
Answer: (c).CD
Q907.
In floating point representation the number of bits in exponent is

a.

8

b.

7

c.

6

d.

5

Discuss
Answer: (c).6
Q908.
Consider the following statements:

1. In the 2's complement representation, negative numbers are stored in sign magnitude form.
2. Taking 2's complement is equivalent to sign change.
3. In a 4 bit complement representation of a binary number A.
4. In the 2's complement representation the most significant bit (MSB) is zero for a positive number.

Of these, the only true statements are
Discuss
Answer: (d).(II) and (IV)
Discuss
Answer: (b).all functions of 3 variables but none of 4 variables
Q910.
Equation xโ‚โ‚€ = 11001001โ‚‚ when solved for x gives the value of x as
Discuss
Answer: (d).201