Re: COBOL and tricks

From	Thomas Koenig <tkoenig@netcologne.de>
Newsgroups	alt.folklore.computers, comp.os.linux.misc
Subject	Re: COBOL and tricks
Date	2022-10-30 11:33 +0000
Organization	news.netcologne.de
Message-ID	<tjlne3$2gben$1@newsreader4.netcologne.de> (permalink)
References	(13 earlier) <20220801080907.4075d845c455d0de5a9f1d2d@eircom.net> <tc88b4$ragp$2@dont-email.me> <20220801120204.d96bdff1081d6f31b0f95b1c@eircom.net> <QiVFK.78557$iR.11493@fx44.iad> <tjlje6$3ip8$1@dont-email.me>

Cross-posted to 2 groups.

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Charles Richmond <codescott@aquaporin4.com> schrieb:
> On 8/1/2022 1:53 PM, Charlie Gibbs wrote:
>> On 2022-08-01, Ahem A Rivet's Shot <steveo@eircom.net> wrote:
>> 
>>> On Mon, 1 Aug 2022 11:02:12 +0100
>>> The Natural Philosopher <tnp@invalid.invalid> wrote:
>>>
>>>> When programming a ULA, is that software, or hardware?
>>>
>>> 	The gates etc. are hardware. The connection map is firmware if in
>>> ROM, software if in RAM (I'm not aware of any examples this is just for
>>> completeness).
>>>
>>> 	A good demonstration of this would be the researcher at (IIRC
>>> Exeter) who used genetic algorithms starting with random data to evolve
>>> circuitry on ULAs. One result was a frequency discriminator in under 100
>>> gates, some of which were not connected to any signal path but were
>>> required for the thing to work. I don't think that one was ever fully
>>> understood - there certainly wasn't any kind of clock.
>> 
>> Speaking of things not connected to any signal path:
>> 
>> http://www.catb.org/~esr/jargon/html/magic-story.html
>> 
>>> 	There's no useful distinguishing word between write once firmware
>>> and rewritable firmware which is a shame.
>> 
>> You could always specify whether the firmware is stored in a
>> PROM, EPROM, or EEPROM.  Depending on the circuit, you might
>> even be able to replace one with another.
>> 
>
> And all must be familiar with the "light emitting diode", but how about 
> the "noise emitting diode"??? With a noise emitting diode, you apply a 
> large voltage and you will hear one quick POP!!!  Then the magic smoke 
> escapes, and the diode has to be replaced...   ;-)

I believe it would then be called a "dark emitting diode", DED.

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Thread

Re: COBOL and tricks "25B.Z959" <25B.Z959@nada.net> - 2022-08-01 00:38 -0400
  Re: COBOL and tricks Ahem A Rivet's Shot <steveo@eircom.net> - 2022-08-01 08:09 +0100
    Re: COBOL and tricks The Natural Philosopher <tnp@invalid.invalid> - 2022-08-01 11:02 +0100
      Re: COBOL and tricks Ahem A Rivet's Shot <steveo@eircom.net> - 2022-08-01 12:02 +0100
        Re: COBOL and tricks The Natural Philosopher <tnp@invalid.invalid> - 2022-08-01 17:35 +0100
          Re: COBOL and tricks scott@slp53.sl.home (Scott Lurndal) - 2022-08-01 18:06 +0000
          Re: COBOL and tricks Ahem A Rivet's Shot <steveo@eircom.net> - 2022-08-01 19:05 +0100
            Re: COBOL and tricks Peter Flass <peter_flass@yahoo.com> - 2022-08-01 12:22 -0700
              Re: COBOL and tricks Ahem A Rivet's Shot <steveo@eircom.net> - 2022-08-01 20:35 +0100
              Re: boot me, COBOL and tricks John Levine <johnl@taugh.com> - 2022-08-01 21:10 +0000
        Re: COBOL and tricks Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2022-08-01 18:53 +0000
          Re: COBOL and tricks Charles Richmond <codescott@aquaporin4.com> - 2022-10-30 05:25 -0500
            Re: COBOL and tricks Thomas Koenig <tkoenig@netcologne.de> - 2022-10-30 11:33 +0000
            Re: COBOL and tricks Ahem A Rivet's Shot <steveo@eircom.net> - 2022-10-30 12:59 +0000
            Re: COBOL and tricks Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2022-10-31 03:52 +0000
              Re: COBOL and tricks The Natural Philosopher <tnp@invalid.invalid> - 2022-10-31 08:12 +0000
                Re: COBOL and tricks D.J. <chucktheouch@gmnol.com> - 2022-10-31 12:20 -0500
    Re: COBOL and tricks Peter Flass <peter_flass@yahoo.com> - 2022-08-01 12:22 -0700
      Re: COBOL and tricks Ahem A Rivet's Shot <steveo@eircom.net> - 2022-08-01 20:37 +0100
        Re: COBOL and tricks "Kerr-Mudd, John" <admin@127.0.0.1> - 2022-08-02 09:39 +0100
          Re: backups in real life, COBOL and tricks John Levine <johnl@taugh.com> - 2022-08-02 17:05 +0000
            Re: backups in real life, COBOL and tricks "25B.Z969" <25B.Z969@noda.net> - 2022-08-03 01:05 -0400
              Re: backups in real life, COBOL and tricks D.J. <chucktheouch@gmail.com> - 2022-08-03 11:51 -0500
                Re: backups in real life, COBOL and tricks "25B.Z969" <25B.Z969@noda.net> - 2022-08-04 22:11 -0400
                Re: backups in real life, COBOL and tricks Ahem A Rivet's Shot <steveo@eircom.net> - 2022-08-05 06:52 +0100
                Re: backups in real life, COBOL and tricks "25B.Z969" <25B.Z969@noda.net> - 2022-08-06 00:30 -0400
                Re: backups in real life, COBOL and tricks Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2022-08-07 22:36 +0000
                Re: backups in real life, COBOL and tricks "25B.Z969" <25B.Z969@noda.net> - 2022-08-07 20:27 -0400
              Re: backups in real life, COBOL and tricks J. Clarke <jclarke.873638@gmail.com> - 2022-08-13 14:53 -0400
                Re: backups in real life, COBOL and tricks Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2022-08-13 19:44 +0000
                Re: backups in real life, COBOL and tricks "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2022-08-13 16:51 -0400
                Re: backups in real life, COBOL and tricks Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2022-08-14 14:34 +0000
          Re: COBOL and tricks Charles Richmond <codescott@aquaporin4.com> - 2022-10-30 05:26 -0500

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