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 10 of 120

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Discuss
Answer: (c).Pulse Repetition Frequency
Q92.
Which of the following cannot be the Fourier series expansion of a periodic signal?
Discuss
Answer: (c).x(t) = cos t + 0.5
Q93.
Which of the following is the indirect way of FM generation?
Discuss
Answer: (b).Armstrong modulator
Q94.
A telephone exchange has 9000 subscribers. If the number of calls originating at peak time is 10, 000 in one hour, the calling rate is
Discuss
Answer: (b).10/9
Q95.
A cordless telephone using separate frequencies for transmission in base and portable units is known as
Discuss
Answer: (a).duplex arrangement
Q96.
Assertion (A): A composite video signal has synchronising pulses.

Reason (R): It is necessary to synchronise the scanning process in the transmitter and receiver.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q97.
Noise with uniform power spectral density of Nโ‚€ฯ‰/Hz is passed through a filter H(ฯ‰) = 2 exp (-J ฯ‰ ty) followed by an ideal low pass filter of bandwidth B Hz. The output noise power in watts is
Discuss
Answer: (b).4 Nโ‚€B
Q98.
Assertion (A): In standing wave pattern, the nodes and anti nodes are separated by half wave-length

Reason (R): When line is terminated in resistance RL, the standing wave ratio is SWR = Z0/RL or RL/Z0
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q99.
For attenuation of high frequencies we should use
Discuss
Answer: (a).shunt capacitance
Q100.
A modem is classified as low speed if data rate handled is
Discuss
Answer: (d).upto 600 bps