Integrated Circuits Used 74LS08 74LS03 74LS10 Procedure Add IC 74LS08 into ICBase-1 (74LS08).Add IC 74LS03 into ICBase-2 (74LS03).Add IC 74LS10 into ICBase-3 (74LS10).Connect GND Port to Pin-6 (Output) of ICBase-3 (74LS10).