A NOT takes a single boolean value, either true or false ... so useful in fact engineers gave it its own symbol too -- an OR gate with a smile :) But most importantly, we can now put XOR into ...

The Boolean logic gates AND, OR and NOT comprise transistors, which are on/off switches wired together. Gates have one or two inputs but only one output, and they are wired in patterns that make ...

"The respective interpretations of the symbols 0 and 1 in ... yes or no. The most basic three gates are AND, OR or NOT statements. It's possible to deploy Boolean logic using algebra.