Cd-rom ((top)) < Must Try >

: A 12cm (4.72 inch) disc made of polycarbonate plastic with a reflective metallic layer and a protective lacquer.

: A low-power laser beam in the CD-ROM drive reflects off the disc's surface. The variations in light reflection between pits and lands are interpreted as binary code (1s and 0s) for the computer to process. Technical Specifications and Growth cd-rom

The technology relies on optical scanning rather than magnetic storage. : A 12cm (4

CD-ROM: The Digital Revolution on a Plastic Disc A (Compact Disc Read-Only Memory) is a non-volatile optical data storage medium. It shares the physical format of audio compact discs but is designed for computer use. Developed as an industry standard in 1985 through the Sony and Philips "Yellow Book" specifications, it became a cornerstone of personal computing for decades. How CD-ROMs Work Technical Specifications and Growth The technology relies on