Boolean is a computer science term used to describe a system of logic. It is based on the idea of true or false, yes or no, on or off. While Boolean is the most commonly used term, there are some synonyms that you may come across while working in the tech industry. Logic operators, or Boolean operators, are a synonym for Boolean. These operators include AND, OR, and NOT. Another synonym for Boolean is binary, which refers to the two values that are used in Boolean logic. Lastly, you may hear the term truth table, which refers to a table that shows the different possible values of a Boolean expression.