Integrated Circuits Used 74LS86 74LS08 Procedure Add IC 74LS86 into ICBase-1 (74LS86).Add IC 74LS08 into ICBase-2 (74LS08).Connect Input-15 to Pin-1 (Input) of ICBase-1 (74LS86).Connect Input-14 to Pin-1 (Input) of ICBase-2 (74LS08).