Question: What is the main difference between frequency division multiplexing ( FDM ) and time division multiplexing ( TDM ) ? FDM is used for wired

What is the main difference between frequency division multiplexing (FDM) and time division multiplexing (TDM)?
FDM is used for wired networks, while TDM is for wireless networks.
FDM uses separate frequency bands, while TDM assigns time slots to users.
FDM uses digital signals, while TDM uses analog signals.
FDM requires synchronous communication, while TDM does not.
What is the main difference between frequency

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