Backup

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Backup

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To make a copy of selected files or an entire hard disk to another storage medium.

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CD-R

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Multisession optical disc on which users can write, but not erase, their own items such as text, graphics, and audio. See also compact disc-recordable.

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CD-ROM

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Type of optical disc that uses laser technology to store data, instructions, and information that users can read but not write on or erase. See also compact disc read-only memory.

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CD-RW

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Erasable multisession optical disc on which users can write data, instructions, and information multiple times. See also compact disc-rewriteable.

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DVD-ROM

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High-capacity optical disc on which users can read, but not write or erase. See also digital versatile disc-read-only memory and digital video disc-read-only memory.

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DVD-RW

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Rewritable DVD format with capacities up to 4.7 GB per side.

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Formatting

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Process of dividing a disk into tracks and sectors so the operating system can store and locate data and information on the disk.

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Hard disk

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Type of storage device that contains one or more inflexible, circular platters that store data, instructions, and information. Also called a hard disk drive.

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Online storage

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A roll of film, usually 100 to 215 feet long, on which microscopic images of documents are stored.

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Reading

Back 10

Process of transferring data, instructions, and information from a storage medium into memory.

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Storage device

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Hardware used to record (write and/or read) items to and from storage media.

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USB flash drive

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hold memory

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Writing

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Process of transferring data, instructions, and information from memory to a storage medium.

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Optical disc

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a storage medium that consists of a flat, round portable disc made of metal, plastic & lacquer that is written on and ready by a laser