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Analog Pulse Modulation – 1 – 2

6. Which of the following modulating system is inherently most noise-resistant ?

(a) PCM
(b) PPM
(c) FM
(d) DSB

Answer
Answer : (a)

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

7. Which of the following pulse modulating system analog ?

(a) PCM
(b) PWM
(c) Both a and b
(d) None of the above

Answer
Answer : (b)

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

8. For transmission of normal speech signal, the PCM channels needs bandwidth of :

(a) 64 kHz
(b) 8 kHz
(c) 4 kHz
(d) 2 kHz

Answer
Answer : (a)

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

9. The main advantage of PCM system is :

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

Answer
Answer : (c)

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

10. The quantisation noise, in a PCM system, depends on :

(a) The sampling rate only
(b) The number of quantisation levels only
(c) Both the sampling rate and the number of quantisation levels
(d) None of the above

Answer
Answer : (b)

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

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