An Input is the act of providing or transferring data into a information processing system.

See: Input Parameter, Input Form, Customer Input, Output, User Input, Task Input, Input Node, Function Argument, Input/Output.



We categorize computer devices as input devices because we use these devices to send instructions to the computer, we are sending our "Input" to the computer, some common examples of computer input devices are:
We may also call some inner parts of the computer as input components to the other components, like the power-on button of a computer is an input component for the processor or the power supply, because it takes user input and sends it to other components for further processing.
In many computer languages the keyword "input" is used as a special keyword or function, such as in Visual Basic or Python, the word "input" is used to get text input from the user.
  • 1. Something put into a system or expended in its operation to achieve output or a result, especially:
a. Energy, work, or power used to drive a machine.
b. Current, electromotive force, or power supplied to an electric circuit, network, or device.
c. Information put into a communications system for transmission or into a computer system for processing(...)
  • tr.v. in·put·ted or in·put, in·put·ting, in·puts
  • To enter (data or a program) into a computer.
  • (...)5. Computers. data to be entered into a computer for processing. the process of introducing data into the internal storage of a computer.
  • verb (used with object), inputted or input, inputting.
  • (...)10. Computers. to enter (data) into a computer for processing.