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Sahil
Sahil
• Created on Aug 5, 2026 • 0 • 0 • 2
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Integrated Circuits Used

74LS21 74LS27

Procedure

  1. Add IC 74LS21 into ICBase-3 (74LS21).
  2. Add IC 74LS27 into ICBase-2 (74LS27).
  3. Connect Input-2 to Pin-2 (Input) of ICBase-3 (74LS21).
  4. Connect Input-1 to Pin-1 (Input) of ICBase-3 (74LS21).
  5. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS21).
  6. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS21).
  7. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS27).
  8. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS27).
  9. Connect Input-7 to Pin-1 (Input) of ICBase-2 (74LS27).
  10. Connect Pin-2 (Input) of ICBase-2 (74LS27) to Pin-3 (Input & Output) of ICBase-3 (74LS21).
  11. Connect Output-0 to Pin-18 (Output) of ICBase-2 (74LS27).