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From: dgreen@CS.UCLA.EDU
Newsgroups: comp.arch
Subject: Re: The Power of **2
Message-ID: <7408@shemp.UCLA.EDU>
Date: Sun, 26-Jul-87 22:44:31 EDT
Article-I.D.: shemp.7408
Posted: Sun Jul 26 22:44:31 1987
Date-Received: Mon, 27-Jul-87 03:51:26 EDT
References: <44037@beno.seismo.CSS.GOV>
Sender: root@CS.UCLA.EDU
Reply-To: dgreen@CS.UCLA.EDU (Dan R. Greening)
Lines: 13

In article <44037@beno.seismo.CSS.GOV> mo@seismo.CSS.GOV (Mike O'Dell) writes:

>Well, I guess the do base 2 arithmetic, but wait, didn't
>the Univacs use ones-comp, or was it only classic
>CDC machines???

Ones-complement, twos-complement, sign+magnitude, excess-64, etc are
integer representations independent of number base.  I.e., all the machines
you listed are base-2 machines, except perhaps in their handling of
floating point mantissas.

Dan Greening   Internet   dgreen@CS.UCLA.EDU
               UUCP       ..!{sdcrdcf,ihnp4,trwspp,ucbvax}!ucla-cs!dgreen