Encyclopedia > Optical disc

  Article Content

Optical disc

In computing, an optical disk is a flat, circular, plastic disk coated with material on which bits may be stored in the form of highly reflective areas and significantly less reflective areas, from which the stored data may be read when illuminated with a narrow-beam source, such as a laser diode.

Usual optical disks include:

Note: The bits are stored sequentially on a continuous spiral track.

Source: from Federal Standard 1037C



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
East Islip, New York

... age or older. The median age is 37 years. For every 100 females there are 95.2 males. For every 100 females age 18 and over, there are 90.1 males. The median income for ...

 
 
 
This page was created in 39.3 ms