Path: utzoo!attcan!uunet!mcvax!enea!diab!pf
From: pf@diab.se (Per Fogelstr|m)
Newsgroups: comp.misc
Subject: Re: Core memory
Message-ID: <398@ma.diab.se>
Date: 22 Jul 88 17:28:33 GMT
References: <31723@pyramid.pyramid.com>
Reply-To: pf@ma.UUCP (Per Fogelstr|m)
Organization: Diab Data AB, Taby, Sweden
Lines: 13

In article <458@buengc.BU.EDU> you write:
>In article <1010@garth.UUCP> smryan@garth.UUCP (Steven Ryan) writes:
>>... Last I heard, the Shuttle memories are cores. A core memory
>>can retain its information for hours, weeks, or years without any power.
>
>You are kidding, aren't you?  core is the lowest-density recording
>medium since paper tape.  The shuttle would use bubbles for nonvolatile,
>read-write memory, I would hope.  Even EEROM, which must be in the
>system somewhere...  Not even NASA would be 15 years behind on
>technology... ;-)

Don't forget radiation sensitivity. I imagine an alpha particle will have
difficulties to switch a 'core'.