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janhavi
janhavi
• Created on Sep 16, 2026 • 0 • 0 • 2
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Integrated Circuits Used

74LS138 74LS20

Procedure

  1. Add IC 74LS138 into ICBase-3 (74LS138).
  2. Add IC 74LS20 into ICBase-4 (74LS20).
  3. Add IC 74LS20 into ICBase-5 (74LS20).
  4. Connect Input-2 to Pin-5 (Input) of ICBase-3 (74LS138).