CD-ROM

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CD-ROM

Compact disk-read only memory Informatics A compact disk, capable of holding ± 750 MB of permanent data, which is recorded or burned only once. Cf CD-RW.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
has introduced a new generation of Recordable CD storage systems that includes a 4x (quad) CD-ROM reader and 2x CD recorder.
By spinning the disc twice as fast and re-engineering the Error Code Correction (ECC) Chip, NEC engineers were able to transfer data from the CD-ROM reader to the CPU at 300KB/second.
With the advent of cheap CD-ROMs and CD-ROM readers, that technology is within the reach of any newsroom.
This revolutionary program was fostered by the NEC Technologies Advanced Media Strategic Business Unit as an integral part of NEC's release of the MultiSpin 3X Series of CD-ROM readers. To support the release of its CD-ROM readers, partnerships were formed with 16 leading multimedia software manufacturers to create an environment that would assure earlier time-to-market and adoption of NEC's new triple-speed CD-ROM technology in newly released software.
CD-ROM readers are now available at a reasonable cost ($500 to $1,000), as both internal and external equipment to be installed in or connected to a standard microcomputer.
And while rental computers, such as those in hotel business centers, typically have CD-ROM readers, few come with CD-RW recorders.
The market for multimedia upgrade kits, which companies such as Creative Labs have fashioned, is quickly waning now that most desktop systems sold at retail already contain CD-ROM readers.
Of the 30% of homes in the country that have personal computers now, only 5% have CD-ROM readers, leaving "enormous" room for growth, he said.
offers the popular MultiSpin family of CD-ROM readers. Since audio information is recorded and intended for playback at 150KB per second, the MultiSpin drives automatically adjust to transfer sound at that lower level.
InfoTech, an independent market research and consulting firm specializing in the electronic publishing, information technology, and interactive entertainment industries, has released a report that shows worldwide unit sales of CD-ROM readers. increased 27 percent in 1997 to 74.1 million.
It became economically attractive for other manufacturers to follow suit and, today, all CD-ROM readers that run at 8X speed or faster (the majority of the installed base, by now) are MultiRead-compatible.
CD-R drives, even the ones with 4x transfer rates, tend to have poor response time when acting like CD-ROM readers. The reason for this is that the read/write heads are much heavier than those used in the CD-ROM drives; therefore, the seek time to get to the desired track can be excruciatingly long (500-600 milliseconds or more).