Analog Pulse Modulation – 1 – 3

11. The signal-to-quantisation noise ratio in a PCM system depends upon :

(a) Sampling rate
(b) Number of quantisation levels
(c) Message signal bandwidth
(d) None of the above

ANSWER
Answer : (b)

EXPLANATION
No answer description available for this question. Let us discuss.

12. For transmission the normal speech signal, the PCM channel needs a band width of …. kHz.

(a) 2
(b) 4
(c) 8
(d) 64

ANSWER
Answer : (b)

EXPLANATION
No answer description available for this question. Let us discuss.

13. …… is the main advantage of PCM.

(a) Lower noise
(b) Lower power
(c) Lower bandwidth
(d) None of the above

ANSWER
Answer : (a)

EXPLANATION
No answer description available for this question. Let us discuss.

14. For the transmission of normal speech, the PCM channel needs a bandwidth of …. kHz

(a) 2
(b) 4
(c) 16
(d) 64

ANSWER
Answer : (b)

EXPLANATION
No answer description available for this question. Let us discuss.

15. ….. is the main advantage of PCM system.

(a) Lower noise
(b) Lower bandwidth
(c) Lower power
(d) Any of the above

ANSWER
Answer : (a)

EXPLANATION
No answer description available for this question. Let us discuss.

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