Experiment 3 - The OR Operation (Disjunction)

The OR operation, also known as disjunction, computes two Boolean variables A and B. The result is "1" if both or one, A = 1 and B = 1.

You can picture the behavior of an OR operation with the switch model and register the result Q in the truth table...

Switch model of the OR operation.

A B Q 0 0 0 0 1 1 1 0 1 1 1 1 Truth table OR operation.

In logic equations the operator \(\vee\) is used for the OR operation... $$Q = A \vee B$$ (Speaking: A or B).

Logical symbol of the OR operation.

With the C-MOS IC 4071, you build an OR operation...

Circuit diagram OR operation.

Circuit OR operation. (Enlarge)

Next the NOT operation...