Question

What is a data CD in economics?​

Answer 1

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A Compact Disc, also called a CD are small plastic discs which store and retrieve computer data or music using light. ... Sony and Philips did work together to create a standard format and the technology to read CDs in 1982. CDs can hold up to 700 MB worth of data, which is about 80 minutes of music.

Answer 2

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Compact disc (CD) 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 digital audio recordings (CD-DA) but 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, PictureCD, Compact Disc-Interactive (CD-i), and Enhanced Music CD. The first commercially available audio CD player, the Sony CDP-101, was released October 1982 in Japan.

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