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DescriptionA demonstration of the basic logic gates.
Click the input switches to toggle the corresponding input value
between 0 and 1, and watch the resulting behaviour.
You can also use shift+click to toggle the input value between
the states 0, 1, Z, and X (low, high, tri-state, undefined).
The default values of the input switches are not random,
but are chosen so that the first mouse-click already changes
the output value of the corresponding gate.
The left column includes the non-inverting gates ('positive logic'), namely the one-input buffer, the two-input AND gate, and the two-input OR gate. The right column shows the inverting gates: inverter, NAND-gate, and NOR gate.
To explore the circuit, just click the corresponding switches, or type the following keys:
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