linux-kernel - Re: PROBLEM: KB->KiB, MB -> MiB, ... (IEC 60027-2)

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Date:	Mon, 22 Jan 2007 16:17:40 -0500
From:	"linux-os \(Dick Johnson\)" <linux-os@...logic.com>
To:	"Lennart Sorensen" <lsorense@...lub.uwaterloo.ca>
Cc:	"Alan" <alan@...rguk.ukuu.org.uk>,
	"Jan Engelhardt" <jengelh@...ux01.gwdg.de>,
	"Eduard Bloch" <edi@....de>, "Bodo Eggert" <7eggert@....de>,
	"Tony Foiani" <tkil@...ye.com>,
	"Leon Woestenberg" <leon.woestenberg@...il.com>,
	<linux-kernel@...r.kernel.org>,
	"David Schwartz" <davids@...master.com>
Subject: Re: PROBLEM: KB->KiB, MB -> MiB, ... (IEC 60027-2)

On Mon, 22 Jan 2007, Lennart Sorensen wrote:

> On Mon, Jan 22, 2007 at 06:36:19PM +0000, Alan wrote:
>> K is Kelvin, k is kilo-
>
> K is a unit is Kelvin, k/K as a prefix is kilo.
>
>> See ISO 31. There is a standard for this stuff which is used worldwide
>> and only bits of the computing industry appear incapable of following it.
>
> --
> Len Sorensen

Perhaps. However, in the days of kilomegacycles (KMC), micromicrofarads
(MMFD), and megohms (MEG), few misunderstood what was being read. Now,
with the international symbols (http://www.bipm.org/si/si_brochure/)
many seem downright confounded because it has turned out be be more
politics than engineering. I well remember an early chart being published
with cycles-per-second as the ordinate and hertz as the abscissa.

There are now "advertising units" where a gigabyte is something greater
than what's really on the drive, where power consumption, clock speeds,
transfer rates, acoustic noise, and other technical specifications
do not have any basis in reality.

It is probably caused by the relegation of computers to "consumer goods."
Such goods brought out such hype as IHF audio power ratings, and EPA
mileage, which have nothing whatsoever to do with reality. It's not just
the specs. In the United States, check out your telephone bill. What
is supposed to be a US$29.95 service, bills out at nearly US$40.00.
"There are lies --and damned lies..."

Cheers,
Dick Johnson
Penguin : Linux version 2.6.16.24 on an i686 machine (5592.59 BogoMips).
New book: http://www.AbominableFirebug.com/
_
..

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