Multiplexing
  • It is the set of techniques that allows the simultaneous transmission of multiple signals across a single data link. 
  • Multiplexing is done using a device called Multiplexer (MUX) that combine n input lines to generate one output line i.e. (many to one).
  • At the receiving end a device called Demultiplexer (DEMUX) is used that separate signal into its component signals i.e. one input and several outputs (one to many).

 

Advantages of Multiplexing : -

  • More than one signals can be sent over single medium or link
  • Effective use of the bandwidth of medium

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