is a new technology very similar to compact discs. A looks just like an ordinary compact disc, however a can hold up too 6 times as much as a CD! That's 4.7 gigabytes! This gives enough room to hold an entire movie at twice the quality of VHS with theatre quality sound (better than CD-quality). Since it is on a disc, you can jump to any scene instantly, and you never need to rewind. The Different types of include: -ROM DVD-ROM stands for Digital Versatile Disc - Read Only Memory. It is an optical disk the same diameter as a CD, but un ....