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From: Shmuel Metz on 8 Jun 2010 06:14 In <4c0d0278$0$56572$c30e37c6(a)exi-reader.telstra.net>, on 06/08/2010 at 12:30 AM, "robin" <robin51(a)dodo.com.au> said: >That was done by hand for many early machines that relied on mercury >delay line (or nickel) memories. I don't know about the UK, but in the USA pretty much everybody abandoned the Mercury delay line after the UNIVAC I. It's true that the PB-250 used an acoustic delay line, but that used glass rather than Mercury. -- Shmuel (Seymour J.) Metz, SysProg and JOAT <http://patriot.net/~shmuel> Unsolicited bulk E-mail subject to legal action. I reserve the right to publicly post or ridicule any abusive E-mail. Reply to domain Patriot dot net user shmuel+news to contact me. Do not reply to spamtrap(a)library.lspace.org
From: Shmuel Metz on 8 Jun 2010 06:11 In <hujqhj$ng9$1(a)speranza.aioe.org>, on 06/07/2010 at 10:06 PM, glen herrmannsfeldt <gah(a)ugcs.caltech.edu> said: >The IBM 2301 and 2303 were around for the S/370 days, but the popular >swap device for S/370 was the 2305 fixed head disk. Popular? Even a model 2[1] was fairly expensive, and it only had 10% of the capacity of a 3330-1 moving-head disk drive. [1] The 2305-2 had twice the capacity and half the speed of the 2305-1. -- Shmuel (Seymour J.) Metz, SysProg and JOAT <http://patriot.net/~shmuel> Unsolicited bulk E-mail subject to legal action. I reserve the right to publicly post or ridicule any abusive E-mail. Reply to domain Patriot dot net user shmuel+news to contact me. Do not reply to spamtrap(a)library.lspace.org
From: Shmuel Metz on 8 Jun 2010 05:54 In <nospam-0512E7.10224407062010(a)earthlink.us.supernews.com>, on 06/07/2010 at 10:22 AM, Arthur Evans Jr <nospam(a)someISP.net> said: >SOAP was an assembler for the IBM 650, a drum machine that had 200 ITYM 2,000 or 4,000, depending on model. -- Shmuel (Seymour J.) Metz, SysProg and JOAT <http://patriot.net/~shmuel> Unsolicited bulk E-mail subject to legal action. I reserve the right to publicly post or ridicule any abusive E-mail. Reply to domain Patriot dot net user shmuel+news to contact me. Do not reply to spamtrap(a)library.lspace.org
From: Shmuel Metz on 7 Jun 2010 05:48 In <op.vdw0e7cqz25lew(a)macpro-eth1.krischik.com>, on 06/07/2010 at 07:34 AM, "Martin Krischik" <krischik(a)users.sourceforge.net> said: >Maybe the talk about one of those advanced *macro* assemblers ;-). Even non-macro assemblers take things out of the programmers hands. IMHO the loss of control is noise compared to the improvement in productivity. -- Shmuel (Seymour J.) Metz, SysProg and JOAT <http://patriot.net/~shmuel> Unsolicited bulk E-mail subject to legal action. I reserve the right to publicly post or ridicule any abusive E-mail. Reply to domain Patriot dot net user shmuel+news to contact me. Do not reply to spamtrap(a)library.lspace.org
From: Shmuel Metz on 7 Jun 2010 05:45
In <4c0bbadb$0$34203$c30e37c6(a)exi-reader.telstra.net>, on 06/07/2010 at 01:12 AM, David Frank <robin51(a)dodo.com.au> said: >What don't you understand about the publication, >"Automatic Digital Computation"? Its relevance. >With that information, most people can find the publication and read >it. So can you. The last time that I went through that exercise, it turned out that you had lied. -- Shmuel (Seymour J.) Metz, SysProg and JOAT <http://patriot.net/~shmuel> Unsolicited bulk E-mail subject to legal action. I reserve the right to publicly post or ridicule any abusive E-mail. Reply to domain Patriot dot net user shmuel+news to contact me. Do not reply to spamtrap(a)library.lspace.org |