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Re: GCR <--CP/M --> MS-DOS and vice versa?

On Fri, 7 Mar 2003, Bill Garber wrote:
|> > A better comparison is a DVD/CD compared to a 45 record
|> > both about the same size with cylinders or a spiral
|> > but neither is hardware compatible.
|>
|> DVDs, CDs and 45 records all use a spiral not cylinders.
|>
|> Charlie
|
|What?!, DVD and CD use spiral? What about the 650 mb floppy
|you can make on a CD writer with CD/RW disks? Are they also
|spiral? I think not.

The DVD is a spiral, I thought?  But the CD used more or less
circular tracks.

|Anyway, where can I read about that? I never heard that before.

About the DVD, or the CD?