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 35 of 120

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Discuss
Answer: (c).by a monostable multivibrator
Q342.
Consider the following statements as regards SAW filter

1. The centre frequency is determined by the pitch of IDT comb shaped electrodes
2. The response can be modified shaping the overlap of comb electrodes
3. The response is maximum when acoustic wave has its wavelength equal to pitch
4. When a number of identical electrodes are arranged at the same pitch, the frequency characteristics of the filter is expressed by (sin x)/x

Which of the above statements are correct?
Discuss
Answer: (c).1, 2, 4 only
Q343.
In telephone, the dial tone has a frequency of
Discuss
Answer: (c).33 Hz
Discuss
Answer: (b).in PWM receivers to reduce impulse noise
Q345.
For a good public address system the sound intensity at the farthest point should be at least
Discuss
Answer: (c).80 dB over threshold of hearing
Discuss
Answer: (c).acts as a single antenna of twice the height
Q347.
Reception through space wave is limited to line of sight distance.
Discuss
Answer: (a).True
Q348.
A video transmission system transmits 625 picture frames per second. Each frame consist of a 400 x 400 pixel grid with 64 intensity levels per pixel. The data rate of the system is
Discuss
Answer: (c).600 Mbps
Discuss
Answer: (c).Equalization is unnecessary
Q350.
Which one is digital modulation technique?
Discuss
Answer: (d).None