Integrated Circuits Used
Procedure
- Add IC 74LS85 into ICBase-2 (74LS85).
 - Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS85).
 - Connect GND Port to Pin-8 (Ground) of ICBase-2 (74LS85).
 - Add IC 74LS85 into ICBase-3 (74LS85).
 - Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS85).
 - Connect GND Port to Pin-8 (Ground) of ICBase-3 (74LS85).
 - Connect Pin-13 (Input) of ICBase-3 (74LS85) to Input-0.
 - Connect Pin-15 (Input) of ICBase-3 (74LS85) to Input-1.
 - Connect Pin-18 (Input) of ICBase-3 (74LS85) to Input-2.
 - Connect Pin-1 (Input) of ICBase-3 (74LS85) to Input-3.
 - Connect Pin-13 (Input) of ICBase-2 (74LS85) to Input-4.
 - Connect Pin-15 (Input) of ICBase-2 (74LS85) to Input-5.
 - Connect Pin-18 (Input) of ICBase-2 (74LS85) to Input-6.
 - Connect Pin-1 (Input) of ICBase-2 (74LS85) to Input-7.
 - Connect Pin-14 (Input) of ICBase-3 (74LS85) to Input-8.
 - Connect Pin-16 (Input) of ICBase-3 (74LS85) to Input-9.
 - Connect Pin-17 (Input) of ICBase-3 (74LS85) to Input-10.
 - Connect Pin-19 (Input) of ICBase-3 (74LS85) to Input-11.
 - Connect Pin-14 (Input) of ICBase-2 (74LS85) to Input-12.
 - Connect Pin-16 (Input) of ICBase-2 (74LS85) to Input-13.
 - Connect Pin-17 (Input) of ICBase-2 (74LS85) to Input-14.
 - Connect Pin-19 (Input) of ICBase-2 (74LS85) to Input-15.
 - Connect GND Port to Pin-2 (Input) of ICBase-3 (74LS85).
 - Connect GND Port to Pin-4 (Input) of ICBase-3 (74LS85).
 - Connect VCC Port to Pin-3 (Input) of ICBase-3 (74LS85).
 - Connect Pin-4 (Input) of ICBase-2 (74LS85) to Pin-5 (Output) of ICBase-3 (74LS85).
 - Connect Pin-3 (Input) of ICBase-2 (74LS85) to Pin-6 (Output) of ICBase-3 (74LS85).
 - Connect Pin-2 (Input) of ICBase-2 (74LS85) to Pin-7 (Output) of ICBase-3 (74LS85).
 - Connect Output-7 to Pin-5 (Output) of ICBase-2 (74LS85).
 - Connect Output-6 to Pin-6 (Output) of ICBase-2 (74LS85).
 - Connect Output-5 to Pin-7 (Output) of ICBase-2 (74LS85).