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Re: Hard Disk sizes (was: New Member needs mass storage)



On Fri, 17 May 1996, Peter W. Borders wrote:

> > I don't find this a scam, it is well defined, and more convenient than
> > blindly folowing the usual 1024 = 1000 method (whichis after all
> > the non-standard definition!)
> 
> Since when is the definition K = 2^10 (1024) non-standard IN RELATION 
> TO COMPUTERS? Do you measure your computer's memory in powers of 10? 
> All the harddisk manufacturers are doing is confusing the general 
> public by using one value for K for harddisks and another for 
> anything else to do with a computer. My .02 worth.

I have a file that's 21375089 bytes.  If I want to tell someone how
big that file is, do I say "21.4 MB," or do I grab a calculator and
divide it by 1024 twice to get the correct answer, 20.4 MB?  People
have been using MB=10^6 long before the hard disk manufacturers started.

For addressing reasons, RAM is generally limited to high powers of 2
and simple combinations thereof.  Hard disks are not.
--
John H. Kim            There are only two industries that call their
jokim@mit.edu          customers 'users,' and one of them is illegal.
jokim@tuna.mit.edu