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Difference between Multiplexer and Demultiplexer

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1. Multiplexer :
Multiplexer is a data selector which takes several inputs and gives a single output.In multiplexer we have 2n input lines and 1 output lines where n is the number of selection lines.

2. Demultiplexer :
Demultiplexer is a data distributor which takes a single input and gives several outputs.In demultiplexer we have 1 input and 2n output lines where n is the selection line.

Difference between of Multiplexer and Demultiplexer :

Multiplexer Demultiplexer
Multiplexer processes the digital information from various sources into a single source. Demultiplexer receives digital information from a single source and converts it into several sources
It is known as Data Selector It is known as Data Distributor
Multiplexer is a digital switch Demultiplexer is a digital circuit
It follows combinational logic type It also follows combinational logic type
It has 2n input data lines It has single input line
It has a single output data line It has 2n output data lines
It works on many to one operational principle It works on one to many operational principle
In time division Multiplexing, multiplexer is used at the transmitter end In time division Multiplexing, demultiplexer is used at the receiver end

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Last Updated : 16 Dec, 2022
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