Practice Quiz in Analog Transmission Part 3

Online Practice Quiz in Analog Transmission part 3 from the book Data Communications and Networking 4th Edition by Behrouz A. Forouzan.

Practice Quiz in Analog Transmission

This is the Online Practice Quiz in Analog Transmission part 3 from the book, Data Communications and Networking 4th Edition by Behrouz A. Forouzan. If you are looking for a reviewer in Electronics Systems and Technologies (Communications Engineering) this will definitely help you test your knowledge and skill before taking the Board Exam.

Continue Part III of the Online Practice Quiz

Quiz in Analog Transmission

Question 21. Which of the following is not a digital-to-analog conversion?

A. FSK

B. ASK

C. AM

D. PSK


Question 22. How many carrier frequencies are used in BPSK?

A. 0

B. 1

C. 2

D. none of these


Question 23. Which of the following is not an analog-to-analog conversion?

A. QAM

B. AM

C. PM

D. FM


Question 24. If the bit rate for a 16-QAM signal is 4000 bps, what is the baud rate?

A. 1200

B. 1000

C. 400

D. 300


Question 25. How many carrier frequencies are used in QPSK?

A. 0

B. 2

C. 1

D. none of these


Question 26. The constellation diagram of BPSK has ______ dots.

A. 0

B. 1

C. 2

D. none of these


Question 27. The constellation diagram of 16-QAM has ______ dots.

A. 4

B. 8

C. 16

D. none of these


Question 28. The Federal Communications Commission (FCC) allows ______ kHz for each FM station.

A. 20

B. 100

C. 200

D. none of these


Question 29. A constellation diagram shows us the __________ of a signal element, particularly when we are using two carriers (one in-phase and one quadrature).

A. amplitude and frequency

B. amplitude and phase

C. frequency and phase

D. none of these


Question 30. Analog-to-analog conversion is needed if the available bandwidth is _______.

A. band-pass

B. low-pass

C. either (a) or (b)

D. neither (a) nor (b)


Question 31. _______ conversion is the process of changing one of the characteristics of an analog signal based on the information in the digital data.

A. Analog-to-analog

B. Digital-to-digital

C. Digital-to-analog

D. Analog-to-digital


Question 32. How many carrier frequencies are used in BASK?

A. 0

B. 1

C. 2

D. none of these


Question 33. ASK, PSK, FSK, and QAM are examples of ________ conversion.

A. analog-to-analog

B. digital-to-digital

C. analog-to-digital

D. digital-to-analog


Question 34. In _____ transmission, the phase of the carrier signal is modulated to follow the changing voltage level (amplitude) of the modulating signal.

A. AM

B. FM

C. PM

D. none of these

More Practice Quiz in Analog Transmission

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

Complete Practice Quiz in Data Communications and Networking

Note: After taking this particular quiz, you can proceed to check all the topics.


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