Another optical storage device is the DVD, which stands for Digital Disc.

Optical storage devices are popular for storing music, movies, and other forms of multimedia because they provide high-quality sound and video playback that is superior to that of many other storage .

A laser is used to read and write data on optical storage devices by making tiny, precise marks on the surface of the .

Data on an optical storage device is usually stored in a single spiral track that starts at the center of the and spirals outward to the edge.