kartikey bhardwaj
kartikey bhardwaj voted up Anonymous' answer
Multiplexers are also called data selector.& de-multiplexer is called data distributer.MUX has multiple inputs & one output & that of de-multiplexer has one input & many outputs.MUx has n-inputs,m-select lines &1-output. De-multiplexer has 1-input,m-select lines & n-outputs.