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An input device that takes in an optical image and digitises it into an electronic image represented as binary data. This can be used to create a computerised version of a photo or illustration .The physical device itself, onto which data is recorded. Mag tape, optical discs, floppy disks are all storage me. This stands for Uninterruptible Power Supply, and it is a device that provides continuous, reliable power to your computer. It is a device that plugs into your outlets and you then plug your computer, monitor, and other components into. It uses a battery to make sure that the computer will stay on even if there is a power outage. These are generally used only for critical machines and servers, but they can also be useful at home if you have blackouts/brownouts or voltage irregularities. UPSs made by APS or Opti-UPS are generally good quality. |