input - putting data into a computer system, output - data or info produced by a computer system, microphone - devices used to input sound to a computer system, keyboard - used to input text and symbols, mouse - used to select icons on a screen, headphones - used to play sounds output from a computer system, printer - used to output info from a computer system onto paper, motherboard - the main circuit board inside a device, processor - a component inside a computer that carries out program instructions, hard disk - a storage device found inside desktop computers,

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