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 34 of 117

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Q331.
Assertion (A): A demultiplexer cannot be used as a decoder

Reason (R): A multiplexer selects one of many outputs whereas a decoder selects on output corresponding to coded input.
Discuss
Answer: (d).A is false, R is true
Q332.
Hexadecimal number F is called to octal number
Discuss
Answer: (c).17
Q333.
A 4 bit ripple counter is in 0000 state. The clock pulses are applied and then removed. The counter reads 0011. The number of clock pulses which have occurred are
Discuss
Answer: (c).3 or 19 or 35
Discuss
Answer: (a).greater fan-out is possible
Q335.
Assertion (A): Schottky transistors are preferred over normal transistors in digital circuits

Reason (R): A Schottky transistor when used as a switch, between cutoff and active region.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q336.
A 4 bit synchronous counter uses flip flops with a delay time of 15 ns each. The time required for change of state is
Discuss
Answer: (a).15 ns
Discuss
Answer: (b).Op code for the instruction being executed
Q338.
In the decimal number 27, the digital 2 represents
Discuss
Answer: (b).20
Discuss
Answer: (c).Both SOP and POS are two level logic
Discuss
Answer: (b).59382โ‚โ‚€