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Re: Re: Summary A
- To: KellySt@aol.com, email@example.com, firstname.lastname@example.org, email@example.com, firstname.lastname@example.org, email@example.com, firstname.lastname@example.org, David@InterWorld.com, email@example.com, firstname.lastname@example.org
- Subject: Re: Re: Summary A
- From: T.L.G.vanderLinden@student.utwente.nl (Timothy van der Linden)
- Date: Sat, 09 Mar 1996 17:15:12 +0100
>Core memory is still used in a few applications, although sometimes just
>for historical reasons. It does have the advantage of being
>radiation-hard (find me a cosmic ray big enough to wipe out a 1 mm
>ferrite core) and non-volatile.
I never understood exactly how it works, I know there are horizontal and
vertical lines, with some small ring around every "knot". Do you know how it
works and can you explain it in a paragraph?
(What is the funcion of these ferrite rings?)
> > >The guys who programed them HATED them!
> > yeah, 256 kb is not too much.
> > But are todays Shuttles still having the same amount of memory?
>Do you know what it takes to certify a computer system for use as a
>control device in a man-rated aircraft, especially the software?
>Generally you only do it once. That's why the shuttle computers and
>software are still unchanged from the time they were designed.
>Supposedly they're working on a new computer design, but you won't see
>it for a while.