Hard to believe that the DVD technology has been around since 1995 when there are so many of us that are still trying to decide if we should take the plunge, or not. They look a lot like a compact disc in size and appearance.
CDs can store lots of different types of media, such as text, graphics, photos, etc.
On the other hand, a DVD can hold two sides of information, each side containing two layers of data. Double those since there are two sides. DVD-Video format permits developers to create highly interactive multimedia programs. The user can quickly search for and play back specific segments in the video program. DVD-Video can contain up to eight quality audio tracks which provides a great deal of flexibility for multiple language tracks, audio narration for different grade levels, special tracks for students with impairments, etc.