Learn Logic Gates

AND Gate (A && B)

Both must be 1 for the result to be 1, otherwise 0.

A	B	A && B
0	0	0
0	1	0
1	0	0
1	1	1

OR Gate (A || B)

At least one must be 1 for the result to be 1, otherwise 0.

A	B	A || B
0	0	0
0	1	1
1	0	1
1	1	1

NOR Gate (!(A || B))

Only 1 when both inputs are 0.

A	B	!(A || B)
0	0	1
0	1	0
1	0	0
1	1	0

NAND Gate (!(A && B))

Only 0 when both inputs are 1.

A	B	!(A && B)
0	0	1
0	1	1
1	0	1
1	1	0