Hi,
Alex Mitsio Sato wrote:
> By the way, I ever thought that has no difference (after the recording)
> between CD, CD-R (R=Recordable) and CD-RW (RW=Rewritable). Am I wrong?
Yes :-) CD and CD-R are equivalent - apart from the fact that CD uses
'pits and bumps' for its bits and CD-R 'burnt and unburnt spots'. Some
old CD drives may not be able to tell the difference between the burnt
and non-burnt spots on some CD-R's (esp. the silver/blue ones) and will
thus have trouble reading these. Modern drives use different (stronger?)
lasers and optical stuff to be able to read (and write) CD-R and CD-RW.
CD-RW is a different story. You can use it just like a CD-R. Then you can
write a lot of stuff to the CD-RW, finish it and all data can be accessed
_read-only_ from that moment onward. When you want ot put new data on the
disk, you'll have to wipe clean the complete CD-RW (!) and you end up with
a blank CD-RW, which you can re-use. But, a CD-RW can also be formatted in
such a way so it can be accessed read/write - just like a hard disk
(directCD).
_This_ format is not compatible with the CD(-R) format, so a directCD
formatted CD-RW can not be read in a normal CD-rom drive.
HTH,
Eric
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