DVD

DVD means Digital Versatile Disc.
Some of us are calling it as Digital Video Disc. But its not the exact form.

DVD uses the same technology that of CD's.

The storage capcity of a DVD is normally 4.7 GB

In some DVD's, we can store data in its two surfaces.This is one of the reason for its high storage capacity.

There are mainly four different types of DVD's are available.

1.  Single Surface Single track DVD

2. Single Surface Double track DVD

3. Double Surface Single track DVD

4. Double Surface Double track DVD