Cd Rom Vs Dvd

The advent of optical discs technology has dramatically changed the way we store and access information. There are two main types of optical discs: CDs and DVDs. While they may seem similar, there are several key differences between them.

CDs are older technology, first introduced in 1982. They have a diameter of 120 millimeters and can store up to 700 megabytes of data. CDs are read by a laser and can only be played on devices that have a CD drive.

DVDs were introduced in 1995 and have a diameter of 120 millimeters. They can store up to 4.7 gigabytes …

Difference In Cd And Dvd

There is a big difference between CDs and DVDs. The first big difference is the physical size. A CD is about the size of a hockey puck, while a DVD is about the size of a CD jewel case. The second big difference is the storage capacity. A CD can store about 700 MB of data, while a DVD can store about 4.7 GB of data.

The difference in quality between a CD and a DVD is also significant. A CD typically has a bit rate of 128 kbps, while a DVD has a bit rate of up to 9.8 …