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There are certain factors that a good device would satisfy. It should offer enough storage space, be easy to carry, accommodate all file formats, be easy to share from, and more or less hardy. Not all portable digital media were able to support and accommodate all these demands. Constant upgrading is another catchword to survive in the market, and those could not do it were left behind in the race. That was the fate of the floppies and the LD. In the following, one of the most successful formats -- the DVD-- has been discussed.
t are DVDs?
What is a DVD? It stands for Digital Video Disk and the nomenclature denotes its original use. It was invented to store audiovisual information in high quality digital format for distribution and backup. The DVD is an optical disk on the surface of which data is written in clusters that can be seen as rings with the naked eye. This means that the data is written in spirals on the shiny surface and is exposed to the elements just like the CD. However, the DVD offers more space and far better audiovisual reproduction quality than a CD.
antages of DVD as a Format
The DVD has several advantages that have helped it to gain popularity in the highly competitive digital goods market.
- It has more storage space than the CD or floppy. The floppy had anyhow been ousted by the CD, and the DVD was like its death knell. The storage space offered also helped in retaining various kinds of file formats.
advantages of DVD as a Format
There are some disadvantages as well.
- The DVD is still somewhat costlier than the CD.
How Good for Data Storage
How does one rate the DVD as a data storage device? The pros and cons listed above should give an idea about its viability and weaknesses. There is no denying the fact that the DVD is indeed quite popular as a data storage device, especially for movies.
Why Suited for Data Backup
Why would the DVD be used for data backup?
- Its large storage space suits it for domestic data backup purposes.
Future Prospects for DVDs
The future prospects of the DVD look bright enough. It would probably develop further features and offer more space.
Competitors of the DVD
The CD, USB drives and portable hard disk may offer competition to DVDs.
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