... camera, instead of recording It, the camera converts light intensities into digital form that can be stored on a disk as a data file. Microphones: The microphones of a computer are just the same as of normal microphones. They are used with voice recognition or simply for the Internet so you can speak to the person on the other side. It takes spoken words and translates them into digital signals. Joystick: The joystick is used for playing games. It is used to move the (car, plane or person). Buttons on top and the side are used to perform such other moves of the (car, plane or person). They can't be used in programs like word-processing, spreadsheet or database, but are used in CAD (computer aided design) software. MAIN PROCESSOR UNIT: CPU: The central processing unit or (CPU) for short or microprocessor, is the computers main component that interprets and carries out the commands that ...

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