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 82 of 117

Discover more Topics under Electronics and Communication Engineering

Q811.
For a logic family

VOH is the minimum output high level voltage
VOL is the maximum output low level voltage
VIH is the minimum acceptable input high level voltage
VIL is the maximum acceptable input low level voltage

The correct relationship is
Discuss
Answer: (c).VIH > VOH > VOL > VIL
Q812.
2's complement representation of a 16 bit number (one sign bit and 15 magnitude bits) is FFFF. Its magnitude in decimal representation is
Discuss
Answer: (b).1
Q813.
The method used to transfer data from I/O units to memory by suspending the memory-CPU data transfer for one memory cycle is called
Discuss
Answer: (b).Cycle stealing
Discuss
Answer: (b).in SAM access time depends on address location but not in RAM
Discuss
Answer: (d).high density versions of the bipolar transistor flip-flop.
Q816.
A 3 bit binary adder can add
Discuss
Answer: (c).3 bits
Q817.
An 8156 has Aโ‚โ‚… connected to its CE input. Aโ‚โ‚„ to Aโ‚ˆ are unconnected, and ADโ‚‡ to ACโ‚€ are connected.Ignoring shadows, the port addresses
Discuss
Answer: (d).80 H to 85 H
Q818.
In 8085 microprocessor, what is the length of IR (instruction register)?
Discuss
Answer: (b).8 bits
Q819.
A sequence detector is required to give a logical output of 1 whenever the sequence 1011 is detected in the incoming pulse stream. Minimum number of flip-flops needed to built the sequence detector is

a.

4

b.

3

c.

1

d.

2

Discuss
Answer: (b).3
Q820.
In a shift register the data is loaded in one operation but shifted out one bit at a time, The shift register is
Discuss
Answer: (b).parallel in-serial out