Research on DVD DVD is a new technology very similar to compact discs. A DVD looks just like an ordinary compact disc, however a DVD 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 DVD include: DVD-ROM DVD-ROM stands for Digital Versatile Disc - Read Only Memory. It is an optical disk the same diameter as a CD, but unlike the CD’s capacity of 650 megabytes, it can hold up to 4.7 gigabytes of storage. Its capacity is over six times that of a CD and the reason for this is that data is written to DVD with a smaller laser than a CD, which makes it possible to store data more efficiently. The storage capacity of DVD is so great ....

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