From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=MAILING_LIST_MULTI, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 2451 invoked from network); 31 Dec 2023 03:51:27 -0000 Received: from minnie.tuhs.org (50.116.15.146) by inbox.vuxu.org with ESMTPUTF8; 31 Dec 2023 03:51:27 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id CCC6D43D2C; Sun, 31 Dec 2023 13:51:25 +1000 (AEST) Received: from lists.tip.net.au (pasta.tip.net.au [IPv6:2401:fc00:0:129::2]) by minnie.tuhs.org (Postfix) with ESMTPS id 4B42F42441 for ; Sun, 31 Dec 2023 13:51:19 +1000 (AEST) Received: from smtpclient.apple (unknown [203.7.123.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mailhost.tip.net.au (Postfix) with ESMTPSA id 4T2lXN2RSBz9QyM; Sun, 31 Dec 2023 14:51:14 +1100 (AEDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3774.200.91.1.1\)) From: steve jenkin In-Reply-To: <20231220193141.DC1C918C092@mercury.lcs.mit.edu> Date: Sun, 31 Dec 2023 14:51:02 +1100 Content-Transfer-Encoding: quoted-printable Message-Id: <45D745E8-8CAA-4236-ACDA-CD785B519749@canb.auug.org.au> References: <20231220193141.DC1C918C092@mercury.lcs.mit.edu> To: Noel Chiappa X-Mailer: Apple Mail (2.3774.200.91.1.1) Message-ID-Hash: VI3WIKMOYFF3PN7LKUG6STPFFWUNLE5H X-Message-ID-Hash: VI3WIKMOYFF3PN7LKUG6STPFFWUNLE5H X-MailFrom: sjenkin@canb.auug.org.au X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: coff@tuhs.org X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [COFF] Re: Terminology query - 'system process'? List-Id: Computer Old Farts Forum Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Noel, Adding a little to your observation on how fast CMOS microprocessors = took over. Wasn=E2=80=99t just DEC and IBM who were in financial trouble in 1992: - the whole US minicomputer industry had been hit. DEC did well to just survive, albeit only for another 5 years before = merging with HP. steve j > On 21 Dec 2023, at 06:31, Noel Chiappa = wrote: >=20 > I'm impressed, in retrospect, with how quickly the world went from = proceesors > built with transistors, through proceesors built out discrete ICs, to > microprocessors. To give an example; the first DEC machine with an IC > processor was the -11/20, in 1970 (the KI10 was 1972); starting with = the > LSI-11, in 1975, DEC started using microprocessors; the last PDP-11 = with a > CPU made out of of discrete ICs was the -11/44, in 1979. All -11's = produced > after that used microprocessors. >=20 > So just 10 years... Wow. >=20 > Noel =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D = [ 1,070 pg ] = [ power point ] The Birth and Passing of Minicomputers: =46rom A Digital Equipment Corp. = (DEC) Perspective Gordon Bell 11 October 2006 (intro slide) (DEC) 1957-1998. 41 yrs., 4 generations: transistor, IC, VLSI, clusters = - winner take all How computer classes form...and die. Not dealing with technology =3D change =3D disruption pg 21 91 Minicomputer companies 1984 by 1990 only 4 survived. (DG, DEC, HP, IBM) =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -- Steve Jenkin, IT Systems and Design=20 0412 786 915 (+61 412 786 915) PO Box 38, Kippax ACT 2615, AUSTRALIA mailto:sjenkin@canb.auug.org.au http://members.tip.net.au/~sjenkin