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DVD-RAM is a medium for storing computer data in large volumes using optical disc technology. You can read, write and erase data on a DVD-RAM as many times as you want. This format is particularly useful for archiving and taking back-up copies of data. A DVD-RAM performs the same functions as a rewritable compact disc (CD) such as copying, rewriting or erasing files, and running programmes. However, it offers a greater storage capacity of up to 9.4GB. You can write and rewrite on a DVD-RAM disc about one million times.
DVD-RAM stands for DVD-Random Access Memory, but this name has been much argued over, since DVD-RAM is not actually Random Access Memory, but has random access capabilities lacked by other formats. It is made with pre-embossed address marks which facilitate a fast random access to any sector on the disc.
The DVD-RAM has become the preferred media of choice for storing data. A DVD-RAM drive can read DVD-ROM discs as well as CD-ROM discs. Its rivals in rewriting DVDs are the DVD+RW and DVD-RW media. However, the DVD-RAM media is considered far more dependable than either of these. You don’t need any extra software to run a DVD-RAM disc, unlike the DVD+RW and DVD-RW discs. The format is also widely used in camcorders and set-top boxes because its ease of writing and deletion is useful for in-camera editing.
The on-disc structure of a DVD-RAM is similar to a floppy disk and a hard disk as the information is stored in concentric tracks. Many people believe that a DVD-RAM uses magneto-optical (MO) technologies, but it is a phase change medium similar to the DVD-RW. Earlier, the DVD-RAM discs were sold only in cartridges. However, the latest ones are no-cartridge discs. A cartridge disc is almost double the price of a disc without a cartridge.
A DVD-RAM has a many advantages over other storage media. Besides random access and defect management, it facilitates advanced editing functions. Microsoft Windows XP supports this format fully and you don’t have to install any additional drivers, unless you’re using an older operating system or UDF-formatted discs.
A DVD-RAM offers reduced compatibility compared to the DVD+RW and DVD-RW. It’s costlier than the other formats and writing data on it is comparatively slower than writing on a DVD+RW or a DVD-RW disc. Moreover, Dual Layered DVD-RAM is not commonly available. However, the data stored on a DVD-RAM lasts for at least thirty years (when optimally stored), and offers easy to use, dependable, multiple rewriting. It’s useful for storing and archiving huge volumes of data and reliability is ensured by a disc defect management system. Quick access and less wastage of space are some other advantages of a DVD-RAM.
In conclusion, it’s fair to say that the DVD-RAM’s reliability and inherent disc defect management system make it the wise choice when it comes to storage your valuable data.
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