# Binary data

## Data whose unit can take on only two possible states / From Wikipedia, the free encyclopedia

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**Binary data** is data whose unit can take on only two possible states. These are often labelled as 0 and 1 in accordance with the binary numeral system and Boolean algebra.

Binary data occurs in many different technical and scientific fields, where it can be called by different names including *bit* (binary digit) in computer science, *truth value* in mathematical logic and related domains and *binary variable* in statistics.