One of the following logic gates can be called as universal gate: 

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  1. EX-OR
  2. AND
  3. OR
  4. NOR

Answer (Detailed Solution Below)

Option 4 : NOR
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Detailed Solution

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The correct answer is NOR gate.

Concept:

  • A Universal Gate is a gate by which every other gate can be realized.
  • AND, OR, NOT, etc. are basic gates.
  • NAND, NOR  are the universal gate.

Example:

NOT, AND and OR gate realization using NAND gate is as shown:

F1 S.B Madhu 18.03.20 D5

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