[IMSAI Guy] grabbed an obsolete XOR gate and tried a classic circuit to turn it into a frequency doubler. Of course, being an old part, it won’t work at very high frequencies, but the circuit is ...

[Phillip] defines truth tables for XOR and AND. He’s able to then create ... (A ^ B)) */ /* The standard adder uses OR for the last 'gate' - this can safely be changed to XOR, which has been ...