Communication Systems MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Communication Systems, 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 Communication Systems 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 Communication Systems mcq questions that explore various aspects of Communication Systems problems. Each MCQ is crafted to challenge your understanding of Communication Systems 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 Communication Systems 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 Communication Systems. 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 Communication Systems knowledge to the test? Let's get started with our carefully curated MCQs!

Communication Systems MCQs | Page 67 of 120

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Q661.
PAL system was proposed first in
Discuss
Answer: (d).Germany
Discuss
Answer: (a).SSB techniques
Q663.
Consider the following statements as regards noise

1. If Gaussian noise is applied at input of a rectifier, the output is not gaussian
2. The noise encountered on a telephone line consists of short, pulse type disturbances whose amplitude distribution is not Gaussian
3. Shot noise results from random emission of electrons from a cathode
4. Shot noise results from phenomenon associated with the flow of current across semi conductor junctions

Which of the above are correct?
Discuss
Answer: (c).1, 2, 3, 4
Q664.
Noise can be reduced by increasing sampling rate
Discuss
Answer: (b).false
Q665.
Which of the following is invariably found in SSB?
Discuss
Answer: (a).Tuned modulator
Discuss
Answer: (c).the number of significant sidebands depends upon modulation index
Q667.
Which of the following pulse communication system is inherently immune to noise?
Discuss
Answer: (b).PCM
Q668.
In a PCM system, if we increase the quantization levels from 2 to 8, how do the relative bandwidth requirements vary?
Discuss
Answer: (b).Get tripled
Q669.
If the target area is small compared to wavelength of radar the situation is called
Discuss
Answer: (b).Rayleigh region
Q670.
An FM transmitter has maximum frequency deviation of 75 kHz and reproduces audio signals up to 15 kHz. Minimum channel width required is __________ kHz.
Discuss
Answer: (b).120