OR
A
B
OR
0
0
0
0
1
1
1
0
1
1
1
1
NOR
A
B
NOR
0
0
1
0
1
0
1
0
0
1
1
0
XOR
A
B
XOR
0
0
0
0
1
1
1
0
1
1
1
0
XNOR
A
B
XNOR
0
0
1
0
1
0
1
0
0
1
1
1
AND
A
B
AND
0
0
0
0
1
0
1
0
0
1
1
1
NAND
A
B
NAND
0
0
1
0
1
1
1
0
1
1
1
0
NOT
A
NOT
0
1
1
0