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
·
HD
·
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.