Integrated Circuits Used 74LS10 74LS00 Procedure Add IC 74LS10 into ICBase-2 (74LS10).Add IC 74LS00 into ICBase-3 (74LS00).Connect Input-7 to Pin-7 (Ground) of ICBase-2 (74LS10).Connect Input-8 to Pin-2 (Input) of ICBase-2 (74LS10).