Tile hardware are the parts of computer itself including the (71) CPU) and related microchips and micro -circuitry, keyboards, monitors, case and (72) (including floppy, hard,CD,DVD, optical, tape, etC、..). Other extra parts called (73) or devices include mouse, printers, (74) , scanners, digital cameras and cards (sound, colour, video) etC、.. Together they are often referred to as a (75) or PCs.
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