DVD-RW DVD-RW discs can be used by some operating systems like MS Vista as regular recordable discs, meaning that you cannot alter what is recorded on them without erasing and recording new alter version of the same file. They cab be also used almost identically as hard drive, where you can record for example MS Word and alter it by opening it by Word application. In situation when you are using it as hard drive (or old fashion floppy disc for that matter), it has to be formated before such use.
Yes
There would be no point in making a consumer DVD burning drive that cannot read discs like a regular drive.
2 choices: First, you've placed a wrong formated Disc into the unit, or a CD instead of a DVD... Second, the unit doesn't have a Disc installed, or it's just "dead" and can't read any Formated Discs...
no, these are two separate pieces of hardware that will need to be bought seperatly
Yes.
Cdrw dvdrw
Draft
DVD = yes DVD-r = both dvdrw= both
txt features
use them as frisbies
No
CDRW and DVDRW