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NAND AND NOR gates are called universal gates , becaus with a combination NAND and NOR gates alone, it's possible to create all other logic gates like AND, OR, XOR etc and you can design any logic circuit. eg: inverter-- nand with inputs shorted.

and ------ nand followed by a inverter(using nand).

or--------- giving inverted inputs to nand gate.

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16y ago

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