Question: please help me out 1. (5 points) Why is multiplexing so cost-effective? 2. (5 points) How is interference avoided by using frequency division multiplexing? 3.

please help me out please help me out 1. (5 points) Why is multiplexing so

cost-effective? 2. (5 points) How is interference avoided by using frequency division

multiplexing? 3. (10 points) A voice signal is sampled at 8K samples

per second, 8 binary bits are transmitted for each sample value. Twenty-four

voice signals are to be multiplexed and transmitted over twisted pair. What

1. (5 points) Why is multiplexing so cost-effective? 2. (5 points) How is interference avoided by using frequency division multiplexing? 3. (10 points) A voice signal is sampled at 8K samples per second, 8 binary bits are transmitted for each sample value. Twenty-four voice signals are to be multiplexed and transmitted over twisted pair. What is the bandwidth required for FDM? Assuming a bandwidth efficiency of 1 bps/Hz, what is the bandwidth required for TDM using PCM

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