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Compact disc. A compact disc, also called a CD is a storage device in the form of small plastic discs which store and retrieve computer data or music using light. Compact Discs replaced floppy disks because they were faster and could hold more information. The CDs made floppy disks become obsolete. CDs were invented by both Philips and Sony at ...
29. Juli 2021 · A compact disc (CD) is a polycarbonate disc measuring 120 mm in diameter with one or more metal layers capable of storing digital information. The most prevalent types of compact discs are those used by the music industry to store digital recordings and CD-ROMs used to store computer data. Both of these types of compact disc are read-only ...
Vor 6 Tagen · compact disc (CD), Molded plastic disc containing digital data that is scanned by a laser beam for the reproduction of recorded sound or other information. After its commercial introduction in 1982, the audio CD became the dominant format for high-fidelity recorded music for several decades.
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. In August 1982, the first compact disc was manufactured. It was then released in October 1982 in Japan and branded as Digital Audio Compact Disc.
6. Feb. 2010 · A Compact Disc (CD) is an optical disc used to store digital data. CD-ROMs and CD-Rs remain widely used technologies in the computer industry.CD-ROM drives employ a near-infrared 780 nm laser diode. The laser beam is directed onto the disc via an opto-electronic tracking module, which then detects whether the beam has been reflected or scattered.
The Compact Disc Interactive (CD-I) operating system and disc layout structure was defined in the Green Book standard. The Orange Book established the specifications for allowing the user to write audio and/or data to the disc for a Compact Disc-Magnetic Optical (CD-MO) and for Compact Disc Write Once (CD-WO). This technology allowed data to be ...
12. März 2019 · Forty years ago the world got its first glimpse of what would become one of the most important music devices in history - the compact disc (CD). The CD was invented in 1979. At a time before ...
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