On Sun, 2005-03-13 at 12:02 -0500, Cory Papenfuss wrote: > > How may bytes or MB is the capacity of a DVD-R disc? I am currently using a > > guessitimate of 4250MB as the limit for my shrinking routine but it would be > > nice to have the actaul value for fine tuning. > > > It's commonly referred to as 4.7 GB. Of course, that's 4.7 GB in > marketspeak, which means its 4,700,000,000 bytes. In *real* GB, divide by > 2^30 = (1024*1024*1024) = 1073741824. For MB, divide by 2^20. > > Thus, it's > 4.7e9/2^30 = 4.377 GB, or > 4.7e9/2^20 = 4482 MB
Not marketspeak anymore. Drive makers have been doing it long enough that it's not "weird" anymore, like it used to be. http://physics.nist.gov/cuu/Units/binary.html -- ----------------------------------------------------------------- Ron Johnson, Jr. Jefferson, LA USA PGP Key ID 8834C06B I prefer encrypted mail. "No drug, not even alcohol, causes the fundamental ills of society. If we're looking for the sources of our troubles, we shouldn't test people for drugs, we should test them for stupidity, ignorance, greed and love of power." P. J. O'Rourke
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