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Article #2826Re: VERY LARGE main memories: crypt
From: john
Date: Fri, 12 Sep 1986 06:24
Date: Fri, 12 Sep 1986 06:24
22 lines
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1331 bytes
>As I think I've mentioned before, it is believed that there are
>approximately 2^200 electrons in the universe. Since it is unlikely that
>anybody would want to reference more things than there are electrons in the
>universe, 200 bits seems like a good upper bound for the length of a memory
>address.
>
>Roy Smith, {allegra,philabs}!phri!roy
Oh, good, there is a physical upper bound! There are about 2^200
electrons in the universe, and the the most efficient possible memory
element uses one electron, then it is impossible to have more than
2^200 bits of memory :-).
John Bloomfield
Datacube Inc. 4 Dearborn Rd. Peabody, Ma 01960 617-535-6644
ihnp4!datacube!john
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!caip!pyrnj!mirror!datacube!john From: john@datacube.UUCP Newsgroups: net.arch Subject: Re: VERY LARGE main memories: crypt Message-ID: <3200009@datacube> Date: Fri, 12-Sep-86 02:24:00 EDT Article-I.D.: datacube.3200009 Posted: Fri Sep 12 02:24:00 1986 Date-Received: Sat, 13-Sep-86 09:51:15 EDT References: <15505@ucbvax.BERKELEY.EDU> Lines: 22 Nf-ID: #R:ucbvax.BERKELEY.EDU:15505:datacube:3200009:000:754 Nf-From: datacube.UUCP!john Sep 12 02:24:00 1986