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event

An action initiated either by the user or the computer. An example of a user event is any mouse movement or a keystroke. An example of an internally generated event is a notification based on the time of day. See event driven, event handler and event management system.

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event

Philosophy

a. an occurrence regarded as a bare instant of space-time as contrasted with an object which fills space and has endurance

b. an occurrence regarded in isolation from, or contrasted with, human agency

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event [i′vent]

(computer science)

The moment of time at which a specified change of state occurs; usually marks the completion of an asynchronous input/output operation.

(geology)

An incident of probable tectonic significance, but whose full implications are unknown.

(industrial engineering)

A specified accomplishment in a program at a particular time; appears as a node in a graphic representation of an endeavor with a specific objective (project).

(physics)

A point in space-time.

(statistics)

A mathematical model of the result of a conceptual experiment; this model is a measurable subset of a probability space.

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1.	(software)	event - An occurrence or happening of significance to a task or program, such as the completion of an asynchronous input/output operation. A task may wait for an event or any of a set of events or it may (request to) receive asynchronous notification (a signal or interrupt) that the event has occurred. See also event-driven.
2.	(data)	event - A transaction or other activity that affects the records in a file.