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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.
How does a compact disc work? Digital data is stored in a long spiral string of microscopic bumps – or pits, if viewed from above – measuring 125 nanometers in height or depth (in a weird ...
On October 1, 1982, the first commercial compact disc, Billy Joel’s “52nd Street,” was released in Japan. In the 30 years since, hundreds of billions of CDs have been sold, Joel has stopped ...
An obsolete form of optical media known as the "Compact Disc" celebrates its 25th birthday tomorrow. In a press release issued Thursday, Philips said a staggering 200 billion of them were produced ...
A developer has dusted off an almost 20-year-old software project for burning visual artwork onto the data surface of a Compact Disc. ... or anything else you may care to store on a CD in 2025.
The first sample compact disc - better known as a CD - was created 40 years ago. ... At a time before before online music existed, it became the most sophisticated way to store and play music.
On October 1, 1982, the first commercial compact disc, Billy Joel’s “52nd Street,” was released in Japan. In the 30 years since, hundreds of billions of CDs have been sold, Joel has stopped ...