The digital video disc or DVD (as it is popularly known), has been one of the most useful optical formats for many years, both on a business and personal level. Among the many varieties of DVD is DVD-RAM, which is a rewritable DVD format.
DVD-RAM stands for: "Random Access Memory Digital Versatile Disk". This disk allows you to write, erase and rewrite information on its surface, as if it were any other removable storage device (USB memory, floppy disk, etc.).- this is because this type of format does not require the help of special programs like Nero or Roxio to be able to work with him.
It differs from other discs such as DVD-RW and DVD + RW, in that when working with it, there is no need to erase the entire disc to regain the space of the data to be erased, in addition to this, you can record on it directly. As if it were a USB memory.
At first the discs had a capacity of 2.9 GB and were protected by a kind of casing called CADDY, which was impractical for those reader units that had a tray: however it was very necessary since DVD-RAM discs they are very susceptible and tend to get dirty and scratch easily.
The disks that are currently being marketed are 4.7 GB and do not have a protective casing, so they can be used by any reader / writer unit.
It is important to mention that RAM, ROM, R and RW discs were manufactured by the DVD Forum company, for which they are identified with the DVD logo on their surface. In relation to the symbols (+) and (-) that certain types of DVD present, they refer to the technical standards that each disc has and that according to the criteria of each user, one will be better than the other, depending on the way it is. designed for data writing and encoding.
It should be added that this disc is one of the most versatile and practical DVD formats. Previously, its compatibility was reserved for those recorders in accordance with this format, however that has been changing since it has become very popular in home DVD recorders, in camcorders that make recordings in DVD-RAM and its participation as a format in multi-format computer recorders.
