4-to-1 Multiplexer

For making 4-TO-1 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) GROUND.