Digital Communication Techniques MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Digital Communication Techniques, a fundamental topic in the field of Avionics Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Digital Communication Techniques 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 Digital Communication Techniques mcq questions that explore various aspects of Digital Communication Techniques problems. Each MCQ is crafted to challenge your understanding of Digital Communication Techniques principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Avionics Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Digital Communication Techniques MCQs are your pathway to success in mastering this essential Avionics Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Digital Communication Techniques. 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 Digital Communication Techniques knowledge to the test? Let's get started with our carefully curated MCQs!

Digital Communication Techniques MCQs | Page 12 of 13

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Q111.
Which of the following type of multiplexing uses pulse code modulation?
Discuss
Answer: (b).Time division multiplexing
Discuss
Answer: (a).The parallel binary data is converted into serial before transmission
Q113.
Which of the following is false with respect to PCM?
Discuss
Answer: (d).Not easily recoverable
Q114.
A special PCM system uses 16 channels of data, one whose purpose is identification (ID) and synchronization. Find the number of available data channels.
Discuss
Answer: (a).15
Q115.
A special PCM system uses 16 channels of data, one whose purpose is an identification (ID) and synchronization. The word length is 6 bits. Find the number of bits per frame.
Discuss
Answer: (c).96
Q116.
What is the minimum frequency of a 16-MHz crystal with a stability of 200 ppm?
Discuss
Answer: (c).1,59,96,800 Hz
Q117.
Which of the following are the two main characteristics of receivers?
Discuss
Answer: (a).Selectivity and sensitivity
Q118.
What circuit provides the initial selectivity in a receiver?
Discuss
Answer: (d).LC tuned circuits
Q119.
The ability to pick up week signals by a receiver is called _________
Discuss
Answer: (c).Sensitivity
Q120.
What is the input signal level that is approximately equal to the average internally generated noise value called?
Discuss
Answer: (a).MDS