Optical Disk
Of memory device. May also be referred to as optical disc.
A disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface.
This concept's ID is @1~20983
Contains
- compact disk
A digitally encoded recording on an optical disk that is smaller than a phonograph...
- videodisk
A digital recording (as of a movie) on an optical disk that can be played on a computer...