Input is the term denoting either an entrance or changes which are inserted into a system and which activate/modify a process. It is an abstract concept, used in the modeling, system(s) design and system(s) exploitation. It is usually connected with other terms, e.g., input field, input variable, input parameter, input value, input signal, input port, input device and input file (file format).

Input may refer to:

• Advice (opinion), an opinion or recommendation offered as a guide to action, conduct
• Information, any data entered into a computer or data processing system, see input output
• The act of entering data into a computer or data processing system (see Input/output)
• Input device, any peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system (such as a computer)
• Stimulus (physiology), a detectable change in the environment that influences an activity of an organism
• Power consumption, an amount of power used by a system
• International Public Television Screening Conference, an international public television organization
• In economics, a factor of production, a resource employed to produce goods and services

Not to be confused with Impute (disambiguation).

Noun

input (plural inputs)

1. The act or process of putting in; infusion.
2. That which is put in, as in an amount.
3. Contribution, or share in a contribution.
4. Something fed into a process with the intention of it shaping or affecting the outputs of that process.

Derived terms

• input device

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Games: Coin-Op: Arcade Games: Cabinets
Hagstrom Electronics - Designs and manufactures products which allow customers to interface with their computer's keyboard input in a multitude of ways.

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Computers: Software: Globalization: Operating ...
Apple Localization Tools: Chihui - Description Input methods for use with the Chinese Macintosh System 6.05 and above. Allows pinyin input in phrase instead of single ...

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Computers: Systems: Handhelds: Palm OS: Devices
Visors use a stylus as input and use Handspring's 'Springboard' slot for expansion. Treos have a small keyboard for input and use SecureDigital cards for expansion.