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From: John Woodgate
Subject: Re: Component for random number generator?
Date: Wed, 18 Dec 2002 07:02:09 +0000
Organization: JMWA Electronics Consultancy
Reply-To: John Woodgate
NNTP-Posting-Date: Wed, 18 Dec 2002 08:10:24 +0000 (UTC)
X-Newsreader: Turnpike (32) Version 4.01 <5Z8C9wtxbnpWyFnyfFzqmVF739>
I read in sci.electronics.design that Michael Painter
wrote (in <%lRL9.66978$hK4.5566674@bgtnsc05
-news.ops.worldnet.att.net>) about 'Component for random number
generator?', on Wed, 18 Dec 2002:
>They need Radio Shack Model III's.
>I once wrote a program that used the random number generator to put squares,
>rectangles and circles in various spots and sizes on the screen.
>We had 15 or so in the lab. For a high school open house I set them so I
>could just walk around the room and hit enter to start the programs.
>As I walked out of the room one machine was doing it's own thing, all the
>others were putting exactly the same thing up on the screen.
They probably use 'seeded' random-number generators, which are not truly
random, insofar as each sequence itself is random but all sequences are
identical. You can overcome it by randomizing the seed, if the software
Also, remember that *each* result from a truly random generator is
*equally* probable, so that there is nothing more remarkable in the
result '123456789' than in any other result.
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk
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