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Digital Data Storage - Coggle Diagram

- - - - Blu-ray disc – A digital optical storage device which was intended to replace the DVD format.
      - CD-ROM disc – An optical storage device that is read-only or cannot be modified nor deleted.
      - CD-R and CD-RW disc – CD-R is a recordable disc that can be written to once, while CD-RW is a rewritable disc that can be written to multiple times.
      - DVD-R, DVD+R, DVD-RW and DVD+RW disc – DVD-R and DVD+R are recordable discs that can be written to once, while
      - DVD-RW and DVD+RW are rewritable discs that can be written to multiple times. The difference between the + and – is in the formatting and compatibility.