Definitions for "Optical disk"
Keywords:  worm, laser, rom, noncontact, erasable
An unalterable optical storage medium that allows large amounts of data to be permanently written to it. An optical disk is read using laser and magnetic technology and has a useful life span of more than one hundred years.
A digital storage system commonly used for mass storage.
A device used for very high-density storage of alphanumeric and graphic data.
Keywords:  zoom
Optical Zoom
Keywords:  fiber