Digital circuit can be made by the repeated use of the _________.

Options

  • A. NAND gate
  • B. NOR gate
  • C. AND gate
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

D. More than one of the above

Detailed Explanation

Explanation

In digital electronics, some gates are universal gates, meaning any digital circuit can be built using only that gate repeatedly.

  • NAND gate → Universal gate ✔

  • NOR gate → Universal gate ✔

  • AND gate → Not a universal gate ✖ (cannot build all circuits using only AND)

Since both NAND and NOR gates can be used repeatedly to construct any digital circuit, the correct option is:

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