Friday, January 31, 2020

WHAT IS CD ?


CD means compact disc. Is a digital optical disc data storage format that was co-developed  by philips and Sony and released in 1982. The format was originally developed to store and play only sound recordings (CD-DA) but was later adapted for storage of data (CD-ROM). A compact Disc, also called a CD are small plastic discs which store and retrieve computer data or music using light.
Abbreviated as CD, a compact disc is a flat, round, optical storage medium invented by James Russell.

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