What is the lowest number of NAND gates required to make an inverter?

What is the lowest number of NAND gates required to make an inverter?

  1. a) 1
  2. b) 2
  3. c) 3
  4. d) 4

From the Combined Bank Officer (IT) October 2024 – Preliminary (BIBM) exam, question 67 of 95.

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