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# Experiment 4 - The NOT Operation (Inversion)

You can picture the behavior of a NOT operation by a switch that opens when pressed. Thus, the result Q produces the truth table...

Switch model of the NOT operation.

 A Q 0 1 1 0

Truth table NOT operation.

 In logic equations the operator $$\neg$$ or a horizontal line is used for the NOT operation... $$Q = \neg A \equiv \overline{A}$$ (Speaking: not A). Logical symbol of the NOT operation.

With the C-MOS IC 4069, you build an NOT operation...

 Circuit diagram NOT operation. Circuit NOT operation. (Enlarge)

You continue with some properties of the operations...