A subsection of mathematical logic, Boolean logic deals with operations involving the two Boolean values: true and false. Although Boolean logic dates back to the mid-19th century, it became ...

NOT reverses the input. For a diagram of these actions, see Boolean gates. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

Boolean logic does not just work with numbers. Boolean expressions can also compare text, for example to check if a password is correct.

Sometimes we need a program to do something based on the results of two conditions. This simple Python (3.x) program prints out a different message depending on the result of two tests. If each ...

The digital world offers many advantages over its analog relatives, the use of boolean logic among them. Some of the functions, like NOT, OR, and AND are fairly straightforward and line up nicely ...

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 ...