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 94 of 120

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Q931.
If the variance ฯƒx² of d(n) = x(n) - x(n - 1) is one-tenth the variance ฯƒx² of a stationary zero mean discrete time signal x(n), then the normalized autocorrelation function Rxx(x)/ฯƒx² at k = 1 is
Discuss
Answer: (c).0.10
Q932.
Which of the following is not advantage of FM over AM?
Discuss
Answer: (d).Spluttering effect
Discuss
Answer: (d).none of the above
Q934.
In a PCM the amplitude levels are transmitted in a 7 unit code. The no. of levels is
Discuss
Answer: (c).128
Q935.
In high power AM transmission modulation is done at
Discuss
Answer: (b).RF power
Q936.
Which one of the following gives maximum probability of error?
Discuss
Answer: (a).ASK
Discuss
Answer: (d).The total power of the carrier and sidebands is equal to the carrier power at any modulation index.
Q938.
In FM, increased depth of modulation increases
Discuss
Answer: (d).all of the above
Q939.
Which of the following frequency is likely to be associated with AM radio broadcast?
Discuss
Answer: (a).1000 kHz
Q940.
In which of the following schemes are several channels interleaved and transmitted together?
Discuss
Answer: (b).FDM