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CD-ROM drives are rated with a speed factor relative to music CDs. If a CD-ROM is read at the same rotational speed as an audio CD, the data transfer rate is 150 Kbyte/s, commonly called "1×" (with constant linear velocity, short "CLV"). At this data rate, the track moves along under the laser spot at about 1.2 m/s.
The latest editions have abandoned the use of the term CD-WO in favor of CD-R, while CD-MO was rarely used. Written CD-Rs and CD-RWs are, in the aspect of low-level encoding and data format, fully compatible with the audio CD (Red Book CD-DA) and data CD (Yellow Book CD-ROM) standards. The Yellow Book standard for CD-ROM only specifies a high ...
In later years, the compact disc was adapted for non-audio computer data storage purposes as CD-ROM and its derivatives. First released in Japan in October 1982, the CD was the second optical disc technology to be invented, after the much larger LaserDisc (LD). By 2007, 200 billion CDs (including audio CDs, CD-ROMs and CD-Rs) had been sold ...
[19] [20] [21] Upon merger, Parts America stores were rebranded Advance Auto Parts and the website partsamerica.com became a web only store for Advance Auto Parts. With financial backing from Sears, Advance Auto Parts decided to make the partsamerica.com into a portal for web purchasing of auto parts as part of a joint venture with CSK Auto. [22]
The CD-ROM was introduced in 1985, providing much higher capacity than a floppy disk, however could not be written to. This was resolved in 1990 with the introduction of the CD-R . [ 16 ] [ 17 ] The CD-RW , introduced in 1997 allowed the CD to be written to multiple times, rather than just once, as with the CD-R. [ 18 ] DVD versions of these ...
Cinram opened its first CD plant in 1987, when records and cassettes were still dominant. In the 1990s, the company started investing in manufacturing operations in Europe, and in 1997, when video-store racks were still filled with VHS tapes, Cinram formed a joint venture with Pacific Ocean Post (POP) to form "Cinram DVD Center POP" and began ...
For the same reason, this is generally restricted to the production of read-only CDs and DVDs (CD-ROM or DVD-ROM). Recordable CDs and DVDs (CD-R or DVD-R or DVD+R) are not generally available except in standard shapes including rectangular. The second method to produce a shaped CD or DVD is to produce a normal CD-ROM or DVD-ROM and cut it to ...
The CD-i player 100 series, which consisted of the three-unit 180/181/182 professional system, first demonstrated at the CD-ROM Conference in March 1988. The CD-i player 200 series, which includes the 205, 210, and 220 models. Models in the 200 series were designed for general consumption, and were available at major home electronics outlets ...