What Is a Digital Video Disc?
A digital video disc (DVD), also sometimes known as a digital versatile disc, is an optical data disc that typically holds multimedia information — but may be used for data as well. A DVD can hold between approximately 4.7 and 17 gigabytes (GB) of information depending on how many layers of data it has. There are several formats of DVD that allow users different ways to manipulate the data on the disc.
A digital video disc (DVD), also sometimes known as a digital versatile disc, is an optical data disc that typically holds multimedia information — but may be used for data as well. A DVD can hold between approximately 4.7 and 17 gigabytes (GB) of information depending on how many layers of data it has. There are several formats of DVD that allow users different ways to manipulate the data on the disc. The most common data recorded to a digital video disc are multimedia files, such as video or audio. Other discs of this type may hold data, like large databases or the installation files for computer programs. Most users recognize DVDs to be used for films and television. These discs usually contain video files, audio tracks, and a multimedia menu. The menu often allows users to choose from several viewing options, such as playing alternate audio tracks with the film, or viewing extra footage.
