A 4 KHz noise less channel with one sample ever 125 per sec is used to – McqOptions

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1.	A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. Differential PCM with 4 bit relative signal value is used. Then how many bits per second are actually sent?
A.	32 Kbps
B.	64 Kbps
C.	8 Kbps
D.	128 Kbps.
Answer» B. 64 Kbps

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