DVD is an acronym. It is a short way of saying "digital video disc" or "digital versatile disc".
DVDs can store 4.7 Gigabytes of information, while a Compact Disk can only hold 700 Megabytes. Film DVDs can also have interactive menus and bonuses like as deleted scenes and commentaries.
The disc can have one or two sides, and one or two layers of data per side; the number of sides and layers determines how much the disc can hold
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