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 97 of 117

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Q961.
Consider the Boolean expression X = ABCD + ABฬ…CD + Aฬ…BCD + Aฬ…CBฬ…D The simplified form of X is
Discuss
Answer: (c).CD
Q962.
In floating point representation the number of bits in exponent is

a.

8

b.

7

c.

6

d.

5

Discuss
Answer: (c).6
Q963.
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
Q965.
Equation xโ‚โ‚€ = 11001001โ‚‚ when solved for x gives the value of x as
Discuss
Answer: (d).201
Discuss
Answer: (a).a string of 4 bits
Q967.
The sum S of A and B in a Half Adder can be implemented by using K NAND gates. The value of K is
Discuss
Answer: (b).4
Q968.
When a bit is 0 is a DDR, it makes the corresponding port pin an __________ On the other hand, a 1 bit programs a __________ Pin.
Discuss
Answer: (d).input, output
Q969.
Which of the following input is not possible in case of a SR flip-flop?
Discuss
Answer: (d).S = 1, R = 1
Q970.
The advantages of flash memory over EEPROM are
Discuss
Answer: (c).both higher density and lower cost