Digital Communication Techniques MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Digital Communication Techniques, a fundamental topic in the field of Avionics 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 Communication Techniques 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 Communication Techniques mcq questions that explore various aspects of Digital Communication Techniques problems. Each MCQ is crafted to challenge your understanding of Digital Communication Techniques principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Avionics Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Digital Communication Techniques MCQs are your pathway to success in mastering this essential Avionics Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Digital Communication Techniques. 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 Communication Techniques knowledge to the test? Let's get started with our carefully curated MCQs!

Digital Communication Techniques MCQs | Page 6 of 13

Q51.
Which of the following is not a form of pulse modulation?
Discuss
Answer: (d).Pulse frequency modulation
Q52.
How many voltage levels are present in a PWM signal?

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (c).2
Q53.
Power consumption is low in pulse modulation.
Discuss
Answer: (a).True
Discuss
Answer: (a).Pulse amplitude modulation
Discuss
Answer: (d).Pulse width changes in accordance with the amplitude of modulating signal
Q56.
Pulse modulation is not used in which of the following?
Discuss
Answer: (d).Communication of airplane with ATC
Q57.
The process of signal compression and expansion used to reduce distortion and noise is called _____
Discuss
Answer: (b).Companding
Q58.
What type of digital modulation is widely used for digital data transmission?
Discuss
Answer: (d).Pulse code modulation
Q59.
What is the output voltage if the input voltage of a compander with a maximum voltage range of 1 V and a μ of 255 is 0.25?
Discuss
Answer: (d).0.75 V
Q60.
What is the output voltage if the input voltage of a compander with a maximum voltage range of 1 V and a μ of 255 is 0.8?
Discuss
Answer: (c).1.02 V
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