OR

The output of an OR function 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

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