Boolean operators are placed between search terms to narrow or broaden the coverage of a search. Always include Boolean operators when you use more than one word or phrase as search terms. Helps to ...

A search for data that meets several criteria by using the Boolean operators AND, OR and NOT (see Boolean logic). For example, the request: "Search for all Spanish and French speaking employees ...

Identifying keywords or phrases and then connecting them using Boolean operators (AND, OR, and NOT), along with the other tools in this guide, can help you narrow, expand, and/or refine your searches ...

Each operator has a standard symbol that can be used when drawing logic gate circuits. In an AND gate, both inputs need to be 1 for the output to be 1.

Boolean operators close Boolean operatorAND, OR and NOT. Used to build complex queries in a database. are used to combine relational operators to give more complex decisions.

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.