Some multiplexing arrangements for telephone system are 1. Space multi – McqOptions

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1.	Some multiplexing arrangements for telephone system are 1. Space multiplexing2. Time division multiplexing3. Frequency division multiplexing Which of the above allow transmission of many independent signals over a single channel?
A.	1 only
B.	2 and 3 only
C.	1, 2, 3
D.	1 and 3 only
Answer» C. 1, 2, 3

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