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 1 of 13

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Q1.
Analog signals : Signal to noise ratio:: Digital signals _________
Discuss
Answer: (b).Bit error rate
Q2.
A sensitive and selective receiver can be made using only amplifiers, selective filters, and a demodulator.
Discuss
Answer: (a).True
Q3.
What type of receivers converts all incoming frequency into a lower frequency for better selectivity and sensitivity?
Discuss
Answer: (b).Superheterodyne receivers
Discuss
Answer: (c).Sum and difference of frequencies
Q5.
What is connected between the antenna and the mixer to avoid oscillator radiation?
Discuss
Answer: (a).LNA
Q6.
Which of the following is not an advantage of using RF amplifiers in the initial stage of signal selection?
Discuss
Answer: (d).Less power consumption
Q7.
The LNA of a transducer has failed during the transmission of a signal. Which component’s failure has caused this?
Discuss
Answer: (a).Duplexer
Q8.
What type of oscillators are used to input a wide range of frequencies to the IF amplifier?
Discuss
Answer: (c).Variable frequency oscillators
Q9.
Multiplexing increases the number of communication channels for transmission.
Discuss
Answer: (a).True
Q10.
In which of the following systems multiplexing is not necessary?
Discuss
Answer: (d).Continuous wave transmission