Integrated Circuits Used 74LS90 74LS08 74LS11 Procedure Add IC 74LS90 into ICBase-1 (74LS90).Add IC 74LS90 into ICBase-2 (74LS90).Add IC 74LS08 into ICBase-3 (74LS08).Add IC 74LS11 into ICBase-4 (74LS11).
