Digital Communications Questions and Answers – TDM vs FDM

This set of Digital Communication Questions for campus interviews focuses on “TDM vs FDM”.

1. Companding is used to
a) Increase the information transmission rate
b) Use only one carrier frequency to handle different signals
c) To use different frequency bands for different signals
d) To protect all small signals in PCM from quantizing noise
View Answer

2. TDM is used to
a) Increase the information transmission rate
b) Use only one carrier frequency to handle different signals
c) To use different frequency bands for different signals
d) To protect all small signals in PCM from quantizing noise
View Answer

3. Which has greater bandwidth?
a) TDM
b) FDM
c) TDM & FDM
d) None of the mentioned
View Answer

4. Which has lower noise immunity?
a) TDM
b) FDM
c) TDM & FDM
d) None of the mentioned
View Answer

5. TDM can be employed to transmit channels having unequal bandwidth,
a) True
b) False
View Answer

6. Using sampling theorem, analog signal cannot be reconstructed.
a) True
b) False
View Answer

7. Which maintains better fidelity?
a) Analog communication
b) Digital communication
c) Analog & Digital communication
d) None of the mentioned
View Answer

8. In which reusing of components can be made possible?
a) Analog communication
b) Digital communication
c) Analog & Digital communication
d) None of the mentioned
View Answer

9. A mechanism for breaking the problem down is
a) Layering
b) Dividing
c) Abstraction
d) Entity sharing
View Answer

10. In digital communication, interaction between ______ is possible.
a) Any layer to layer
b) One layer to next layer
c) layers
d) None of the mentioned
View Answer

Sanfoundry Global Education & Learning Series – Digital Communications.

To practice all areas of Digital Communication for campus interviews, here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]