What does the R and RW mean on a CD DVD BR?
-R: Recordable. You can write to one of these discs once (provided you have an -R drive). But when you’re done, it’s effectively a -ROM disc. -RW: Rewritable.
What is DVD-RW D?
DVD-RW Drives Are Optical Drives The disc rotates rapidly when inserted into the drive, and a laser beam reads the information from the disc. The DVD-RW drive in a computer is a common type of optical drive that can read and write information from and to a DVD-RW disc.
What is the difference between a CD ROM CD-RW and DVD-RW?
A Digital Versatile Disc or Digital Video Disc (DVD) is similar to a CD-ROM in that you can only read data from it. The main difference is that the DVD can store much more data than a CD-ROM, CD-R, or CD-RW. DVD+R is a recordable DVD format similar to CD-R.
What does RW mean in optical media?
CD-RW (Compact Disc-Rewritable) is a digital optical disc storage format introduced in 1997. A CD-RW compact disc (CD-RWs) can be written, read, erased, and re-written. CD-RWs, as opposed to CDs, require specialized readers that have sensitive laser optics.
What is the difference between DVD R+ and R?
The major difference is that they are not interchangeable when it comes to recording. Because each format writes information to its corresponding disc differently, DVD+R discs must be recorded by a +R drive or video recorder, and DVD-R discs must be recorded by a -R drive or video recorder.
What are the different types of CD?
There are three main types: standard manufactured CDs (CD-DA), CD-R recordable and CD-RW rewriteable.
- Standard manufactured CDs can be played on any CD digital audio player.
- CD-Rs can be played on CD-R machines and many but not all CD digital audio players.
- CD-RWs can only be played on CD-RW compatible machines.
What are the different types of DVD?
DVD media comes in several formats; including DVD+R (recordable DVD), DVD-R, DVD+RW (re-writeable DVD), DVD-RW, DVD-RAM (random access memory) and DVD-ROM (read only memory).
What is the full meaning of CD-RW?
compact disc rewritable
A CD-RW is a CD which is capable of recording sound and images, for example from another CD or from the internet. CD-RW is an abbreviation for ‘compact disc rewritable. ‘
How does a CD-RW work?
Heated to one temperature, the material cools to a transparent state; heated to another temperature, it cools to a cloudy state. By changing the power (and therefore the temperature) of the writing laser, the data on the CD can be changed, or “rewritten.”