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 97 of 120

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Q961.
In a channel voice coder, the outputs of sixteen 20 Hz low pass filters are sampled, multiplexed and A/D converted. If sampling is at 40 samples/second and 3 bits/sample represents each voltage sample, the bit rate is about
Discuss
Answer: (a).1.9 k bits/sec
Q962.
Super high frequency means more than 3000 MHz.
Discuss
Answer: (a).True
Discuss
Answer: (d).quarter wave line
Discuss
Answer: (c).FDM requires channel synchronization while TDM has more noise immunity
Q965.
Consider the following applications/ advantages of radar beacons

1. navigation
2. target identification
3. accurate tracking of enemy targets
4. large increase in maximum range

Which of the above are correct?
Discuss
Answer: (b).1, 2, 4
Q966.
The signal plate of vidicon tube is coated with tin oxide.
Discuss
Answer: (a).True
Q967.
The maximum permissible distance between two samples of a 10 kHz signal
Discuss
Answer: (b).50 ฮผ sec
Q968.
In telephone systems, load is expressed in the unit of
Discuss
Answer: (a).erlangs
Q969.
Which of the following can be used to convert PPM into PWM?
Discuss
Answer: (c).Bistable multivibrator
Q970.
For an antenna of height ht metres, the radio horizon is equal to
Discuss
Answer: (b).4โˆšht km