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Article #625463Re: PDP 11/40 system manual
From: hanc...
Date: Fri, 10 Aug 2018 17:50
Date: Fri, 10 Aug 2018 17:50
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2894 bytes
On Friday, August 10, 2018 at 9:57:39 AM UTC-4, Peter Flass wrote: > Quadibloc <jsa...@ecn.ab.ca> wrote: > > On Thursday, August 9, 2018 at 3:54:51 PM UTC-6, Bob Eager wrote: > >> On Thu, 09 Aug 2018 17:36:24 -0400, Peter Flass wrote: > > > >>> System/360. > > > >> All that base register stuff... > > > > But surely that's unavoidable, if you want to have more than 64 K of memory? > > > > John Savard > > > > That's what makes it elegant -it's a compromise between addressable memory > and instruction size. IMHO, System/360 represented an elegant design because it was able to use a single architecture to serve four different categories of data processing (large/small/business/sci-eng). Previously, most computers were designed to serve only one of those categories. Many companies required multiple computers if they had multiple needs. While S/360 didn't totally eliminate multiple computers for a single company (such as a S/360 in the business office with some DECs in the labs), many were able to share their business office needs and engineering needs on the same machine.
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X-Received: by 2002:a37:4917:: with SMTP id w23-v6mr4231228qka.13.1533923401486; Fri, 10 Aug 2018 10:50:01 -0700 (PDT) X-BeenThere: alt.folklore.computers@googlegroups.com Received: by 2002:ac8:643:: with SMTP id e3-v6ls6277555qth.2.gmail; Fri, 10 Aug 2018 10:50:00 -0700 (PDT) X-Received: by 2002:ac8:7252:: with SMTP id l18-v6mr3889960qtp.5.1533923400675; Fri, 10 Aug 2018 10:50:00 -0700 (PDT) X-Received: by 2002:a81:78c6:: with SMTP id t189-v6mr173919ywc.7.1533923400396; Fri, 10 Aug 2018 10:50:00 -0700 (PDT) Path: mbox-mo1.pugleaf.net!g23-v6ni589qtp.0!nntp.google.com!e8-v6no1439993qtp.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: alt.folklore.computers Date: Fri, 10 Aug 2018 10:50:00 -0700 (PDT) In-Reply-To: <1769532633.555587539.250400.peter_flass-yahoo.com@news.eternal-september.org> Complaints-To: groups...@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=8.41.192.198; posting-account=WKyNOQkAAACNglsCZiIox1kdy9R-66KH NNTP-Posting-Host: 8.41.192.198 References: <21aaeee8-c41a-4442-a4eb-ea6a29b1e4f1@googlegroups.com> <0001HW.211B94B1040CADA5700004B5B2CF@news.giganews.com> <mdd7ekzl6pr.fsf@panix5.panix.com> <pki8ae$ca0$1@dont-email.me> <1028478389.555543171.735142.peter_flass-yahoo.com@news.eternal-september.org> <ft3rh8F3aanU6@mid.individual.net> <c1165d5b-1d41-4f6b-935a-dc1a586ff9db@googlegroups.com> <1769532633.555587539.250400.peter_flass-yahoo.com@news.eternal-september.org> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <d62afda2-8a91-4665-88a4-cb16bc0f47ab@googlegroups.com> Subject: Re: PDP 11/40 system manual From: hanc...@bbs.cpcn.com Injection-Date: Fri, 10 Aug 2018 17:50:00 +0000 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit