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.
What is the only oscillator capable of meeting the precision and stability demanded by the FCC?
Discuss
Answer: (b).Crystal Oscillator
Q112.
The device that maintains controlled temperature for crystal oscillators are called __________
Discuss
Answer: (b).Crystal ovens
Q113.
What is the maximum frequency of a 16-MHz crystal with a stability of 200 ppm?
Discuss
Answer: (a).1,60,03,200 Hz
Q114.
Calculate the transmitter output frequency if the transmitter uses a crystal oscillator with a frequency of 14.9 MHz and a frequency multiplier chain with factors of 2, 3, and 3.
Discuss
Answer: (b).268.2 MHz
Q115.
Calculate the frequency for maximum drift of crystal if The crystal has a stability of 6300 ppm and an output frequency of 268.2 MHz and frequency multiplier chain with factors of 2, 3, and 3.
Discuss
Answer: (c).269.65 MHz
Q116.
A special PCM system uses 16 channels of data, one whose purpose is an identification (ID) and synchronization. The sampling rate is 3.5 kHz. The word length is 6 bits. Find the serial data rate.
Discuss
Answer: (d).336 kHz
Q117.
All local and long-distance connections are digital.
Discuss
Answer: (a).True
Q118.
In a TDD one channel is sufficient for transmission.
Discuss
Answer: (a).True
Q119.
Which of the following bit has an error if odd parity is used?

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q120.
What is the minimum frequency of a 16-MHz crystal with a stability of 200 ppm?
Discuss
Answer: (c).1,59,96,800 Hz