input device

  

Definition

A component or peripheral device (such as a barcode reader, graphic tablet, keyboard, magnetic-stripe reader, modem, mouse, scanner, or stylus) that feeds data or instruction into a computer for display, processing, storage, or outputting or transmission.

Input devices convert the user's actions and analog data (sound, graphics, pictures) into digital electronic signals that can be processed by a computer. Digital data (such as from barcode readers, modems, scanners, etc.) does not require any conversion and is input direct into a computer. It is through input devices that a user exercises control over a computer, its operations, and outputs.


Use input device in a sentence

  • In order to watch the movie, we had to make sure to put in the right input device, which would allow us to see it.

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  • You should check up on your input device every once in awhile to make sure that it is working properly and not damaged.

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  • The input device was so small that the employee could not even see the piece of technology correctly they were attempting to use.

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