input device

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Related to List of input devices: Output devices, List of output devices

input device

(hardware)
A peripheral used to transfer data from the outside world into a computer system. Some input devices are operated directly by the user, e.g. keyboard, mouse, touch screen, joystick, digitising tablet, microphone; others are sensors or transducers which convert external signals into data, e.g. using an ananlog to digital converter (this would also be true of a microphone). Other kinds of inputs are really one half of a bidirectional link with another computer or storage device, e.g. serial line, SCSI interface.

input device

A peripheral device that generates input for the computer such as a keyboard, scanner, mouse or digitizer tablet.
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