4:1 MUX

For making 4:1 MUX/ MULTIPLEXER, we need the following components:- 1) 4 - INPUTS(D0,D1,D2,D3). 2) 2 - SELECT LINE(S0,S1). 3) 2 - NOT GATE. 4) 4 - AND GATE. 5) 1 - OR GATE. 6) 1 - BULB. 7) GROUND.