What is bit?

bit meaning A contraction of the term binary digit. The bit is the basic unit of digital data. It may be in one of two states, logic 1 or logic 0. It may be thought of as a switch which is either on or off. Bits are usually combined into computer words of various sizes, such as the byte.


reference: U.S . Food & Drug – Glossary of Computer System Software Development Terminology (8/95)