Logic Gates and Truth Tables

Learn about the NOT, AND, NAND, and CNOT gates, their pictorial representation, and their truth tables.

These operations are similar to binary logic (sometimes called Boolean logic after George Boole, a mathematician active in the 1800s), which was originally developed to represent the logic of combinations of statements (sometimes called “propositions”) that can be either true (T) or false (F). In the 1930s, Claude Shannon and others realized that binary logic could be used to describe the operations of digital computing devices.

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