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prab
prab
• Created on Feb 9, 2026 • 0 • 0 • 1
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Integrated Circuits Used

74LS21

Procedure

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