Hardware
Computer Logic - 'OR' Gate


The output of an OR gate is a 1 if one or the other or both of the inputs are 1, but a 0 if both inputs are 0.
A B C
0
0
1
1
0
1
0
1
0
1
1
1
Truth Table
Click on the inputs to see how changing their logic state affects the output. All the possibilities are shown in the table called a 'Truth Table'.