History of DVD
The DVD was initially created to replace VHS recordings, but it quickly gained popularity as a means of data storage. The audio CD was created as a form of entertainment in 1972. Two video disc formats, the Multimedia Compact Disc (MMCD) and the Super Density (SD) disc, were being developed in 1993. DVD replaced CD as a data storage and entertainment format in 1997. The first DVD release was Twister on March 25, 1996.
DVD Full Form
A DVD is used for storing digital data and it is a type of optical media. the size of DVD is same as size of CD but has a larger storage capacity then CD. DVD and CD both are storage devices. Some DVDs contain video playback, while others may contain different software programs and computer files.