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CD-ROM
Last modified: Friday, October 10, 2003 

Pronounced see-dee-rom. Short for Compact Disc-Read-Only Memory, a type of optical disk capable of storing large amounts of data -- up to 1GB, although the most common size is 650MB (megabytes). A single CD-ROM has the storage capacity of 700 floppy disks, enough memory to store about 300,000 text pages.

CD-ROMs are stamped by the vendor, and once stamped, they cannot be erased and filled with new data. To read a CD, you need a CD-ROM player. All CD-ROMs conform to a standard size and format, so you can load any type of CD-ROM into any CD-ROM player. In addition, CD-ROM players are capable of playing audio CDs, which share the same technology.

CD-ROMs are particularly well-suited to information that requires large storage capacity. This includes large software applications that support color, graphics, sound, and especially video.

Also see Understanding CD Burner Speeds in the Did You Know . . . ? section of Webopedia.

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For internet.com pages about CD-ROM . Also check out the following links!

Related Links

Optical Technologies Overview 
Outlines the optical technologies used by a CD-ROM drive and the various associated CD standards. Includes graphics, diagrams and an integrated glossary. This page is from "The PC Technology Guide."

CD-ROM LAN FAQ
Provides answers to questions on CD-ROM networking solutions and links to related newsgroups, publications, and FTP sites.

PC Guide's CD-ROM reference
Extensive coverage of CD-ROM drives and technology. Describes how the CD-ROM drive works. Covers CD media and the different formats, CD-recordable and CD-rewriteable technology, performance and reliability, and interface and configuration issues.

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Microboards Technology: Multimedia & CD-ROM Technology - Provides recordable CD and DVD technology, development, manufacturing, and distribution services for the public and private sector worldwide.

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Hoover's: Multimedia and CD-ROM Publishers - Provides in-depth business and public/private company information, including profiles, industry overviews, financials, officers, competitors and news.

related categories

CD-ROMs

Lasers

Peripheral Devices

related terms

burn

caddy

CAV

CD-I (Compact Disc-Interactive)

CD-R drive

CD-ROM player

CD-ROM/XA

CD-RW disk

CLV

compact disc

disk

erasable optical disk

FMD-ROM

mass storage

multimedia

new media

optical disk

S/PDIF

sheepdip

UDF

worm

Yellow_Book


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