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 93 of 117

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Q921.
For a particular type of memory the access time and cycle time are 200 ns each. The maximum rate at which data can be accessed by
Discuss
Answer: (a).2.5 x 10โถ/s
Q922.
Data from a satellite is received in serial form (1 bit after another). If this data is coming at a 5 MHz rate and if the clock frequency is 5 MHz how long will it take to serially load a word in a 32-bit shift register?
Discuss
Answer: (c).6.4ms
Q923.
Assuming accumulator contain A 64 and the carry is set (1). What will register A and (CY) contain after CMA?
Discuss
Answer: (c).59 H, 0
Q924.
The minimum number of 2 input NAND gates required to implement Boolean function A Bฬ… C is A, B, C are available is

a.

2

b.

3

c.

5

d.

6

Discuss
Answer: (c).5
Q925.
Single parity check is not reliable in case of
Discuss
Answer: (c).magnetic drum
Q926.
A 0 to 6 counter consist of 3 flip-flop and a combinational circuit of 2 input gates. The combinational circuit consist of
Discuss
Answer: (d).two AND gate
Q927.
In an op-amp a virtual ground is a ground for
Discuss
Answer: (a).voltage only
Q928.
Assuming accumulator contain A 64 and the carry is set (1). What will register A and (CY) contain after SBI 0B7H?
Discuss
Answer: (d).DDH, 1
Q929.
The Central Processing Unit (CPU) of the 16-processor system developed by hardware and software teams of C-DOT, Bangalore is configured around
Discuss
Answer: (a).Motorola 68020
Q930.
For NOR gate SR flip-flop, the 'no change' condition is
Discuss
Answer: (a).S = 0, R = 0