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Path: ...!feeds.phibee-telecom.net!news.mixmin.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Lawrence D'Oliveiro <ldo@nz.invalid> Newsgroups: comp.arch Subject: Re: Byte Addressability And Beyond Date: Thu, 2 May 2024 01:39:35 -0000 (UTC) Organization: A noiseless patient Spider Lines: 13 Message-ID: <v0uqsn$3fitf$5@dont-email.me> References: <v0s17o$2okf4$2@dont-email.me> <t1sYN.17069$n_S2.720@fx42.iad> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Thu, 02 May 2024 03:39:36 +0200 (CEST) Injection-Info: dont-email.me; posting-host="871317f39d0297e5333fe0a9119501c9"; logging-data="3656623"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/y5Osx8vfY2ogRvj8P6vpP" User-Agent: Pan/0.155 (Kherson; fc5a80b8) Cancel-Lock: sha1:vuOrjBqPR67xoUQaj6nd6Ikn624= Bytes: 1620 On Wed, 01 May 2024 14:08:25 GMT, Scott Lurndal wrote: > What about the IBM 1401, Electrodata 220 or Burroughs B5000? Not really familiar with those--feel free to mention more details if you have them. Though I do recall, the 1401 didn’t have a “word length” as such: it was a “character”-based machine. For example, it could do arbitrary-precision arithmetic--it just kept processing digits until it hit a special end-of- data marker--but obviously this only worked for (fixed-point) addition and subtraction. The machine had no hardware support for multiplication or division. Or floating-point, for that matter.