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CD-ROM
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computer chip. computer. Hand holding computer chip. Central processing unit (CPU). history and society, science and technology, microchip, microprocessor motherboard computer Circuit Board
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CD-ROM

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Also known as: CD-ROM disc, compact disc read-only memory
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Article History
Abbreviation of:
compact disc read-only memory
Key People:
Laurie Anderson

CD-ROM, type of computer memory in the form of a compact disc that is read by optical means. A CD-ROM drive uses a low-power laser beam to read digitized (binary) data that has been encoded in the form of tiny pits on an optical disk. The drive then feeds the data to a computer for processing. The standard compact disc was introduced in 1982 for digital audio reproduction. But, because any type of information can be represented digitally, the standard CD was adapted by the computer industry, beginning in the mid-1980s, as a low-cost storage-and-distribution medium for large computer programs, ...(100 of 377 words)

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