Question

Why are NAND and NOR gates called universal gates?​

Answer 1

Answer:

NAND and NOR gates are called universal gates because they can be combined to produce any of the other gates like OR, AND, and NOT gates. Hence the correct option is option (B). Note: AND and NOR gates can be suitable for all the options in the question.

Answer 2

∴ NAND and NOR gates are called universal gates because they can be combined to produce any of the other gates like OR, AND, and NOT gates.