Encyclopedia > Optical disk

  Article Content

Optical disc

Redirected from Optical disk

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

... who assumed power for any period of time without a legitimate basis of authority. The first to have the title of "Tyrant" was Pisistratus in 560 BC. In modern times ...

This page was created in 36.6 ms