Explain why multiplexing techniques are necessary in telemetry, telephone systems, radio and TV broadcasting, and Internet access.
Compare frequency division multiplexing with time-division multiplexing.
Trace the steps in the transmission and reception of multiplexed signals.
List the major subtypes of time-division multiplexing.
Define pulse-code modulation, draw the diagram of a typical PCM multiplexer, and state the primary benefit of PCM over other forms of pulse modulation.
List the characteristics of the T-carrier system.
Explain the difference between time and frequency duplexing.
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