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In information processing, input is the process of receiving information from an object.
The word input is used as a noun (information received or the process of receiving it) and less often as a verb (to receive information; or to enter information that a program then uses as input).
Computers commonly use keyboards and mice to receive input from users. Other input comes from networks and storage devices such as disk drives.
In telecommunication, the term input has the following meanings:
Source: from Federal Standard 1037CFederal Standard 1037C entitled Telecommunications: Glossary of Telecommunication Terms is a U. Federal Standard, issued by the General Services Administration pursuant to the Federal Property and Administrative Services Act of 1949, as amended. This docu
In control theoryThis article is about an engineering theory called control theory. There is also a sociological theory of deviant behavior that is called control theory. In engineering and mathematics, control theory deals with the behaviour of dynamical systems over tim, the inputs of a system are the signals that can be observed or affected that feed into the system. Specifically, inputs are differentiated from statesIn control theory, states are what characterize a system. With linear systems states are not unique, but can be transformed into equivalent states using certain linear transformations. States are differentiated from the inputs and outputs of the system.