State the Commutative law and prove it with the help of a truth table. – InterviewSolution

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1.

State the Commutative law and prove it with the help of a truth table.

Answer»

Commutative law states that the interchanging of the order of operands in a Boolean equation does not change its result.

Using OR operator → A + B = B + A

Using AND operator → A * B = B * A

Truth Table for Commutative Law

A	B	A+B
0	0	0
0	1	1
1	0	1
1	1	1

B	A	B+A
0	0	0
0	1	1
1	0	1
1	1	1

A + B = B + A

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