• A bit is the smallest unit of information recognized by a computer; it corresponds to a choice between one and zero, the basis for all information storage in binary language computers. Eight bits make up a byte.
  • A measurement of data. It is the smallest unit of data. A bit is either the “1” or “0” component of the binary code. A collection of bits is put together to form a byte.
  • Single position in base 2 arithmetic (2 n) – either on (1) or off (0).


  1. Legal Electronic Document Institute, Basic Principles of Automated Litigation Support (2005).
  2. Kroll Ontrack, Glossary of Terms
  3. Formerly American Document Management, Glossary of Terms, now 5i Solutions Glossary.