For more videos related to this topic please visit http://www.sigmasolutions.co.in/tutorials. <br /> <br />This Combinational Logic Tutorial explains Multiplexers like 2:1 Mux, 4:1 Mux, Demultiplexers like 1:2 Demux, 1:4 Demux and its Applications. <br /> <br />Related keywords : Combinational Logic Tutorial, Multiplexers like 2:1 Mux, 4:1 Mux, Demultiplexers like 1:2 Demux, 1:4 Demux and its Applications