OR

image\block_or_sn.gif

The output of an OR is 1 if at least one input is 1 (closed).

A block input that is not used (x) is assigned: x = 0.

OR function logic table

 

Input 1

Input 2

Input 3

Input 4

Output

0

0

0

0

0

0

0

0

1

1

0

0

1

0

1

0

0

1

1

1

0

1

0

0

1

0

1

0

1

1

0

1

1

0

1

0

1

1

1

1

1

0

0

0

1

1

0

0

1

1

1

0

1

0

1

1

0

1

1

1

1

1

0

0

1

1

1

0

1

1

1

1

1

0

1

1

1

1

1

1

 

Overview