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Electronics and Communication Engineering - Communication Systems - Discussion

Discussion Forum : Communication Systems - Section 15 (Q.No. 11)
Communication Systems
11.
Some multiplexing arrangements for telephone system are
  1. Space multiplexing
  2. Time division multiplexing
  3. Frequency division multiplexing
Which of the above allow transmission of many independent signals over a single channel?
1 only
2 and 3 only
1, 2, 3
1 and 3 only
Answer: Option
Explanation:
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