troubleshooting Question

Storage of files onto a DVD-R or CD-R

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anthonytrFlag for United Kingdom of Great Britain and Northern Ireland asked on
MiscellaneousStorage
7 Comments2 Solutions261 ViewsLast Modified:
Hi,

I'm trying to work out how many files of a certain size I could fit on a CD-R or a DVD-R.  The images are all scanned.  I found the following equation which helps estimate the size of a scanned document:

Resolution (X) x Resolution (Y) x Document Height(inches) x Document Width(inches) x Colour Depth

Therefore an A4 document scanned at 200DPI in b/w would be:

200x200x8.27x11.69x1

= 8700867 Bits

Which is 1087608Bytes or 1062Kb or 1.04Mb

Looking at this I estimate that I can get 675 files on a CD-R and 4,018,109 Files on a DVD-R.

Am I calculating the DVD-R storage incorrectly, the difference between and CD-R and a DVD-R seem astronomical?
ASKER CERTIFIED SOLUTION
Aaron
Systems Administrator & DST

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