DVD-R DL
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The Digital Versatile Disc or DVD has many utilities. In addition to film and audio file storage, R, these discs can be used to store data. DVD is the status of hard disk. This means you can write your data on it. You may feel that your computer has enough space to store the data. Remember that the computer is a machine, no matter how efficient can crash at any time. It is very likely to destroy all data. Against this backdrop is the bestThe data backup.
The best way to do this is to keep it in R. This is a DVD disc on which data can be written once. Once written, you can not represent the data permanently and the hard drive used for recording.
Another improvement in DVD-R technology, the technology is dual-drive or DVD + R Double Layer), developed by Philips Research and MKM (Mitsubishi Kagaku Media. The initial storage capacity of DVD-Ris about 4.7 GB, while the dual-layer DVD-R is 8.5 GB. This is because the double disc has two layers of data. A data layer is semi-transparent. This way you can see the laser to the second layer as well. This means that apart from the dual-layer disc twice the amount of data.
These CDs are ideal for computer backup, storage, film and video. Another advantage is that they are very fast. They are also looking for the market, which areare relatively inexpensive.
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