An output device is any piece of hardware used to communicate the results of data processing carried out by a computer. Examples include monitors, printers, speakers and projectors. Monitors provide visual feedback in the form of text or graphics while printers make hard copies of documents for use away from the computer. Speakers produce sound …
Input devices are hardware components used to interact with a computer. These allow users to input data and commands into the system, which are then processed by the computer’s CPU. Examples of popular input devices include keyboards, mice, trackballs, touchscreens, light pens, scanners, barcode readers and digital cameras. Some systems may also use voice recognition …
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