Re: buying a compter

[Adrian Knoth <adi@drcomp.erfurt.thur.de>]

AG <ang@xtra.co.nz> wrote:

>> 1 GHz = 1000 MHz = 1,000,000 KHz = 1,000,000,000 Hz
> Ahh, but much too often there is a confusion - if you buy a computer
> that is quoted as having 1Gb of memory, you aren't likely to receive
> exactly 1,000,000,000 bytes ;-)

Well, you'll at least get 1,000,000,000*8 bits. The problem was that
IT handled prefixes as powers of 2. So the kb were 1024*8 bits,
the MB were 2^20*8 bits and so on.

That is why you've ment 1Gb=2^30*8 bits. AFAIK they changed the
international convention from KB,MB,GB... to KiB, MiB, GiB so that now
the old k/M/G are exactly in SI-style (1000/1000000/1000000000) and
Ki/Mi/Gi stand for the IT-version (powers of 2: 1024/2^20/2^30).
 

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