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How many AND, OR and EXOR gates are required for the configuration of full adder?

How many AND, OR and EXOR gates are required for the configuration of full adder? Correct Answer 2, 1, 2

There are 2 AND, 1 OR and 2 EXOR gates required for the configuration of full adder, provided using half adder. Otherwise, configuration of full adder would require 3 AND, 2 OR and 2 EXOR.

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