Dvd
DvdResearch on DVD
A Brief Summary
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 that over 95% of all feature length films can be stored with room to spare, and also fast data access enables you to read from DVD the same as a hard-disk drive. The best thing of all about the DVD-ROM drive is the fact that it is backward compatible with standard CD-ROM and CD audio discs.
DVD-RAM
DVD-RAM stands for Digital Versatile Disc - Random Access Memory, and is the approved format by the Official DVD Forum. DVD-RAM are dual sided and can hold up to 2.6 gigabytes per side. They...
To view the complete essay, you be registered.