# State diagram

## Diagram of behavior of finite state systems / From Wikipedia, the free encyclopedia

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A **state diagram** is a type of diagram used in computer science and related fields to describe the behavior of systems. State diagrams require that the system described is composed of a finite number of states; sometimes, this is indeed the case, while at other times this is a reasonable abstraction. Many forms of state diagrams exist, which differ slightly and have different semantics.

Diagram of behavior of finite state systems