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Unformatted text preview: needle made from a diamond, thus the process of playing a record was damaging to the record itself. Magnets, creating inconveniences of storage, easily erased tapes. CDs were practically indestructible. They did not need to be rewound, you could easily jump to a song you liked, and they were easier to store. CD technology works by using a laser, light amplified through specific electron radiation, to create a microscopic dimple in a layer of a disc protected by plastic. Another, weaker, laser can then be used to read and interpret those dimples to play back music. In later years, a disc was developed that allowed a home consumer to write his own data to disc. With this came the advent of document storage on these media instead of traditional floppy discs, as floppies were a magnetic medium and the data storage equivalent of musics cassette tapes....
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This note was uploaded on 04/07/2008 for the course PHYS 113 taught by Professor Karim during the Fall '06 term at St. John Fisher College.
- Fall '06