Quantization – 1 MCQ’s

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This set of Digital Communications Systems Multiple Choice Questions & Answers (MCQs) focuses on “Quantization – 1″.

1. The mutual information between a pair of events is
a) Positive
b) Negative
c) Zero
d) All of the mentioned

2. Quantization is a _____ process.
a) Non linear
b) Reversible
c) Non linear & Reversible
d) None of the mentioned

3. When the base of the logarithm is e, the unit of measure of information is
a) Bits
b) Bytes
c) Nats
d) None of the mentioned

4. Which conveys more information?
a) High probability event
b) Low probability event
c) High & Low probability event
d) None of the mentioned

5. Spread spectrum is used for
a) Encrypting signal
b) Hiding signal
c) Encrypting & Hiding signal
d) None of the mentioned

6. If the channel is noiseless information conveyed is ___ and if it is useless channel information conveyed is ___
a) 0,0
b) 1,1
c) 0,1
d) 1,0

7. The output of an information source is
a) Random
b) Deterministic
c) Random & Deterministic
d) None of the mentioned

8. Which is a quantization process?
a) Rounding
b) Truncation
c) Rounding & Truncation
d) None of the mentioned

9. Quantization is a _____ process.
a) Few to few mapping
b) Few to many mapping
c) Many to few mapping
d) Many to many mapping

10. The output of the source encoder is an analog signal.
a) True
b) False

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