2) what is the difference between dvd dvd and dvd rw

You can write to these discs, erase them, and write to them again. RW discs are commonly used to store data in a volatile format, such as when creating backups or collections of files. They are also used for home DVD video recorders. They're all mm in diameter and 1. DVD-R use tiny marks along the grooves in the discs, called "land prepits", to determine the laser position.

They are media storages and don't confuse them. Whereas, DVD-9 is advanced version, double layered, has a capacity of 7. After learning about the difference and comparison, here we would like to recommend you the best DVD creator software in case you need to create DVD disc. Besides, it can create personalized DVD menu with various menu templates. What's more, you are allowed to add audio tracks, subtitles and chapters to DVDs.

The data is incorporated with the use of laser on it. The disc is known to store up to 4. Also know that both the discs were released in As you can already understand by its name, it is a circular disc which is mm in diameter and has a thickness of 1.

The only remarkable difference separating the discs is that DVD-RW can be erased and written again and again, as many times you wish. The data is stored in the disc in digital form only. This too is an optical storage device. If you read this far, you should follow us:. Diffen LLC, n. DVD R vs. DVD RW. Can files be erased? The disk is mainly used to store important data. The only flaw with an otherwise efficient device is that it can only be written once. The data is incorporated with the use of lasers in it.

The disc is known to store up to 4. Also know that both albums were released in As you can already understand from its name, it is a circular disc that is mm in diameter and 1.

The only noticeable difference that separates the discs is that DVD-RWs can be erased and written over and over again, as many times as you like. Data is stored on disk only in digital format. This is also an optical storage device. The specialty of DVD-RW is that it can save any type of digital data such as audios, video messages, images or any type of multimedia program. The disk is widely used to install various operating systems on computers. Another notable feature on DVD-RW is that the data, once loaded onto this disc, remains there forever, unless voluntarily erased by the user.