Observer

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An observer is one who engages in observation.

Observer may also refer to:

Computer science and information theory[edit]

  • In information theory, any system which receives information from an object
  • A state observer in control theory, a system that models a real system in order to provide an estimate of its internal state
  • Observer pattern, a design pattern used in computer programming

Fiction[edit]

Music[edit]

Physics[edit]

Politics and diplomacy[edit]

Publications[edit]

Other[edit]

See also[edit]