XPost: alt.comp.os.windows-11   
   From: dan@djph.net   
      
   On 2025-02-18, Daniel70 wrote:   
   > On 17/02/2025 1:45 am, s|b wrote:   
   >> On Mon, 17 Feb 2025 00:39:31 +1100, Daniel70 wrote:   
   >>   
   >>> Which got me thinking ...... What's the difference between DVD-R   
   >>> and DVD+R??   
   >>   
   >> The main difference between DVD-R+ and DVD-R- formats lies in the   
   >> recording technology and how the discs handle data.   
   >>   
   >> DVD-R (minus):   
   >   
   >>	Developed by the DVD Forum. Uses a pre-grooved   
   >> *spiral* for writing data, and the laser writes data in the grooves.   
   >   
   > "spiral"?? Old Records, sure, but I thought CDs/DVDs had multiple actual   
   > rings/tracks!!   
      
   Yes and no.  The data starts at where-ever "ring" near the center, but   
   after that, it just steps over as it reads (ultimately following a long   
   spiral).   
      
   It's not the same as magnetic media that used discrete cylinders.   
      
      
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