Fundamental Digital Gates

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There are 5 basic digital gates used to perform Logic Operation and these are called a Buffer, NOT, AND, OR, XOR

Basic Logic GatesSymbolMathmatical FormulaTruth Table
BufferbufferQ = AA Q

0 0

1 1

NOTNOTQ = NOT AA Q

0 1

1 0

ANDANDQ = A . BA B Q

0 0 0

0 1 0

1 0 0

1 1 1

ORORQ = A + BA B Q

0 0 0

0 1 1

1 0 1

1 1 1

XORXNORQ = A + BA B Q

0 0 0

0 1 1

1 0 1

1 1 0

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