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Logic Gates
Logic gates are the components of logic circuits
There are three main gates: AND, OR and NOT
An AND gate returns “true” (or 1) if both of its inputs are “true”
An OR gate returns “true” (or 1) if either of its inputs is “true”
A NOT gate returns the opposite of its input
AND OR NOT
A B Q
0 0 0
0 1 0
1 0 0
1 1 1
A B Q
0 0 0
0 1 1
1 0 1
1 1 1
A Q
0 1
1 0
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