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 84 of 120

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Discuss
Answer: (c).Adaptive Delta Modulation
Q832.
The atmospheric absorption of radio waves depends on
Discuss
Answer: (a).frequency of wave
Q833.
In AM increased depth of modulation increases __________ and in FM with increased depth of modulation __________ increases.
Discuss
Answer: (a).total transmitted power, bandwidth
Q834.
In a DM system, the granular noise occurs when modulating signal
Discuss
Answer: (c).has high frequency component
Q835.
Huffman code is also known as redundancy code
Discuss
Answer: (a).True
Q836.
If each frequency component of f(t) is shifted by ฯ€/2, the resulting signal is
Discuss
Answer: (a).Hilbert transform of f(t)
Q837.
The power consumption of a present day colour TV receiver is about
Discuss
Answer: (b).80 W
Q838.
Consider the following differences between QPSK and MSK

1. The side lobes in MSK are relatively much smaller in comparison to the main lobe
2. The spectrum of MSK has a main centre lobe which is 1.5 times as wide as the main lobe of QPSK
3. The waveforms of both MSK and QPSK exhibit phase continuity

Which of the above statements are correct?
Discuss
Answer: (b).1 and 2 only
Discuss
Answer: (c).maximum rate of information transmission depends on the channel bandwidth
Q840.
The speeds used in recording audio programs in house hold recorders are
Discuss
Answer: (c).9.5 cm/s and 4.75 cm/s