Part 1 of Essay
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, yo ....

Part 2 of Essay
.... 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 use phase-change as a recording material, “wobbled land and groove” recording method, embossed pits for header information, Zoned Constant Linear Velocity ( ....