# Logic Gates AND, OR, and NOT

Definition of Boolean Algebra: *a system of algebra in which there are only two possible values for a variable (often expressed as true and false or as 1 and 0) and in which the basic operations are the logical operations AND and OR.*

*From <*__https://www.merriam-webster.com/dictionary/Boolean%20algebra__*>*

Uses binary system (o and 1)

0=off or false

1= on or true

**AND Gate**

2 or more inputs and 1 output