Digital video disk i.e. DVD is a storage device. It is a digital optical disc invented by Panasonic, Sony, and Toshiba. Any kind of digital data can be stored on DVD. DVDs have the higher capacity of storing data than a compact disc. DVDs are quite useful for software and we can watch the video program as well as computer files using DVD players. There are three types of DVD, those are DVD-ROM, and where data can only be read and not written or erased. DVD-R and DVD+R can be recorded once using DVD recorder. Rewritable DVDs i.e. DVD-RW, DVD+RW, and DVD-RAM can be recorded and erased many times.
Features of DVD
A single DVD has a capacity of record 4.7 GB.
The Features of DVD are
· High density
· high definition
· High compatibility
· High Reliability
Usefulness of DVDs
In DVD we can store any film, pictures, computer files, software, and cartoon. Previously we cannot store a huge amount of data in CD but now this problem has been solved. We can install any software in the computer by using DVD. The important part is that it is not so costly also. We can see any movie or video loaded in DVD by using DVD player.
Nowadays DVDs are easily available in the market. You can buy it from any shop or online. Any kinds of DVDs like film, cartoon, educational, commercial, spiritual are available online. There are various ranges of DVDs from low to high. You can easily buy DVDs online. In online shopping facilities are there. If you find any fault in DVD you any return it to them and that site will refund your money. If you want to buy DVD online you should visit their site and order it or you can directly contact to that site. The contact details are available on their site.