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Input device. A common computer input device, a keyboard. A user presses a key which transfers information to a computer. In computing, an input device is a peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, digital cameras and joysticks.
is an input device that enables the user to enter characters (letters, numbers and symbols) into a computer. mouse. is a hand held pointing device that is classed as a manual input device.