Question

information about compact disc
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Answer 1

The compact disc is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. It was released in 1982 branded as Digital Audio Compact Disc. The format was later adapted for storage of data.

Answer 2

$\Large{\red{\underline{\bold{Compact\;Disc:-}}}}$

The compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. It was released in 1982 branded as Digital Audio Compact Disc.

• Simply Known As CD

The format was later adapted for storage of data (CD-ROM). Several other formats were further derived from these, including write-once audio and data storage (CD-R), rewritable media (CD-RW), Video CD (VCD), Super Video CD (SVCD), Photo CD, Picture CD, Compact Disc-Interactive (CD-i), and Enhanced Music CD.

Standard CDs have a diameter of 120 millimetres (4.7 in) and are designed to hold up to 74 minutes of uncompressed stereo digital audio or about 650 MB of data. Capacity is routinely extended to 80 minutes and 700 MB by arranging more data closely on the same sized disc. The Mini CD has various diameters ranging from 60 to 80 millimetres (2.4 to 3.1 in); they are sometimes used for CD singles, storing up to 24 minutes of audio, or delivering device drivers.

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