DVD | Definition, Development, & Facts | Britannica
https://www.britannica.com/technology/DVD
DVD, in full digital video disc or digital versatile disc, type of optical disc used for data storage and as a platform for multimedia. Its most prominent commercial application is for playing back recorded motion pictures and television programs (hence the designation “digital video disc”), though read-only, recordable, and even erasable and rewritable versions can be used on …
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