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DVD (also known as "Digital Versatile Disc" or "Digital Video Disc") is a popular optical disc storage technology. Essentially a bigger, faster CD that can hold video, CD audio, still photos and computer data; DVDs unlike compact discs (CDs) can store more than six times as much information.
Multiple DVD variations often describe the way data is stored on the discs:
- DVD-ROM has data which can only be read and not written
- DVD-R and DVD+R can be written once and then function as a DVD-ROM
- DVD-RAM, DVD-RW, or DVD+RW hold data that can be erased and re-written multiple times.
It is however important to remember that although DVDs can hold a substantial amount of information in comparison to CDs, they are still not capable of providing a high definition optical format, thus DVDs remain a standard definition format.
For more information on the DVD format, please visit Wikipedia: http://en.wikipedia.org/wiki/DVD This Link Will Open A New Window
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