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Re: parallel random-access machine (parallel RAM or PRAM)

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From Michael S <already5chosen@yahoo.com>
Newsgroups comp.lang.misc, sci.physics.relativity, sci.physics
Subject Re: parallel random-access machine (parallel RAM or PRAM)
Date Sun, 7 Dec 2025 16:26:41 +0200
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On Sun, 7 Dec 2025 11:42:40 +0100
Janis Papanagnou <janis_papanagnou+ng@hotmail.com> wrote:

> On 2025-12-07 10:22, Thomas Heger wrote:
> > Am Donnerstag000004, 04.12.2025 um 09:57 schrieb Janis Papanagnou:  
> >> [...]
> >> That's the date of the Z1, isn't it? - The Z3 came later, 1941.  
> > 
> > Sure, but the first computer using 'von Neumann architecture' was 
> > actually the Z1 of 1937.  
> 
> Well, yes. At least mostly. That's why I've written upthread that
> the concepts from the earlier Z1 were reused in Z3.
> 

I'd say, no. Neither Z1 nor Z3 are von Neumann architecture computers.
And it has nothing to them being either electronic or mechanical.
The key element (==distinguishing feature) of von Neumann architecture,
at least in modern (say, of last 60-65 years) meaning of the term
is that program store and data memory reside in the same space. Which
leads to possibility of self-modifying code. Which led to Von
Neumann's claim that index register is unnecessary for array
processing. Which is undeniable mathematical truth and serious
engineering mistake at the same time.

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Re: parallel random-access machine (parallel RAM or PRAM) Thomas Heger <ttt_heg@web.de> - 2025-12-04 07:50 +0100
  Re: parallel random-access machine (parallel RAM or PRAM) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-12-04 09:57 +0100
    Re: parallel random-access machine (parallel RAM or PRAM) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2025-12-06 17:02 +0100
      Re: parallel random-access machine (parallel RAM or PRAM) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-12-06 18:02 +0100
        Re: parallel random-access machine (parallel RAM or PRAM) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2025-12-07 12:59 +0100
      Re: parallel random-access machine (parallel RAM or PRAM) Thomas Heger <ttt_heg@web.de> - 2025-12-07 10:31 +0100
        Re: parallel random-access machine (parallel RAM or PRAM) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2025-12-07 13:00 +0100
    Re: parallel random-access machine (parallel RAM or PRAM) Thomas Heger <ttt_heg@web.de> - 2025-12-07 10:22 +0100
      Re: parallel random-access machine (parallel RAM or PRAM) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2025-12-07 10:39 +0100
      Re: parallel random-access machine (parallel RAM or PRAM) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2025-12-07 10:46 +0100
        Re: parallel random-access machine (parallel RAM or PRAM) Thomas Heger <ttt_heg@web.de> - 2025-12-08 08:10 +0100
          Re: parallel random-access machine (parallel RAM or PRAM) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2025-12-08 08:44 +0100
          Re: parallel random-access machine (parallel RAM or PRAM) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-12-08 08:49 +0100
      Re: parallel random-access machine (parallel RAM or PRAM) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-12-07 11:42 +0100
        Re: parallel random-access machine (parallel RAM or PRAM) Michael S <already5chosen@yahoo.com> - 2025-12-07 16:26 +0200
          Re: parallel random-access machine (parallel RAM or PRAM) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-12-08 04:25 +0100
            Re: parallel random-access machine (parallel RAM or PRAM) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2025-12-08 08:51 +0100
            Re: parallel random-access machine (parallel RAM or PRAM) Michael S <already5chosen@yahoo.com> - 2025-12-08 13:58 +0200
            Re: parallel random-access machine (parallel RAM or PRAM) Thomas Heger <ttt_heg@web.de> - 2025-12-09 09:15 +0100
          Re: parallel random-access machine (parallel RAM or PRAM) Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-20 04:48 +0000
            Re: parallel random-access machine (parallel RAM or PRAM) Andy Walker <anw@cuboid.co.uk> - 2025-12-21 00:07 +0000
              Re: parallel random-access machine (parallel RAM or PRAM) ram@zedat.fu-berlin.de (Stefan Ram) - 2025-12-21 10:37 +0000
                Re: parallel random-access machine (parallel RAM or PRAM) Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-21 22:20 +0000
                Re: parallel random-access machine (parallel RAM or PRAM) Michael S <already5chosen@yahoo.com> - 2025-12-22 00:56 +0200
                Re: parallel random-access machine (parallel RAM or PRAM) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-12-22 13:24 +0100
              Re: parallel random-access machine (parallel RAM or PRAM) Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-21 22:23 +0000
                Re: parallel random-access machine (parallel RAM or PRAM) Andy Walker <anw@cuboid.co.uk> - 2025-12-22 17:55 +0000
                Re: parallel random-access machine (parallel RAM or PRAM) Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-22 21:20 +0000
        Re: parallel random-access machine (parallel RAM or PRAM) Thomas Heger <ttt_heg@web.de> - 2025-12-08 08:21 +0100
          Re: parallel random-access machine (parallel RAM or PRAM) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-12-08 09:06 +0100
            Re: parallel random-access machine (parallel RAM or PRAM) Thomas Heger <ttt_heg@web.de> - 2025-12-09 09:19 +0100
            Re: parallel random-access machine (parallel RAM or PRAM) The Starmaker <starmaker@ix.netcom.com> - 2025-12-09 11:43 -0800
              Re: parallel random-access machine (parallel RAM or PRAM) Thomas Heger <ttt_heg@web.de> - 2025-12-10 08:19 +0100
                Re: parallel random-access machine (parallel RAM or PRAM) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2025-12-10 09:56 +0100
                Re: parallel random-access machine (parallel RAM or PRAM) The Starmaker <starmaker@ix.netcom.com> - 2025-12-10 10:01 -0800
                Re: parallel random-access machine (parallel RAM or PRAM) Thomas Heger <ttt_heg@web.de> - 2025-12-11 09:02 +0100
                Re: parallel random-access machine (parallel RAM or PRAM) The Starmaker <starmaker@ix.netcom.com> - 2025-12-11 08:48 -0800
                Re: parallel random-access machine (parallel RAM or PRAM) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2025-12-12 01:58 +0100
                Re: parallel random-access machine (parallel RAM or PRAM) The Starmaker <starmaker@ix.netcom.com> - 2025-12-11 20:45 -0800
                Re: parallel random-access machine (parallel RAM or PRAM) The Starmaker <starmaker@ix.netcom.com> - 2025-12-11 23:07 -0800
                Re: parallel random-access machine (parallel RAM or PRAM) The Starmaker <starmaker@ix.netcom.com> - 2025-12-12 00:49 -0800
                Re: parallel random-access machine (parallel RAM or PRAM) "Paul.B.Andersen" <relativity@paulba.no> - 2025-12-14 14:27 +0100
                Re: parallel random-access machine (parallel RAM or PRAM) The Starmaker <starmaker@ix.netcom.com> - 2025-12-14 10:25 -0800
                Re: parallel random-access machine (parallel RAM or PRAM) "Paul.B.Andersen" <relativity@paulba.no> - 2025-12-14 21:22 +0100
                Re: parallel random-access machine (parallel RAM or PRAM) The Starmaker <starmaker@ix.netcom.com> - 2025-12-14 12:52 -0800
                I have a great idea The Starmaker <starmaker@ix.netcom.com> - 2025-12-14 13:11 -0800
                Einstein refrigerator (was: parallel random-access machine (parallel RAM or PRAM) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2025-12-15 03:00 +0100
                Re: Einstein refrigerator (was: parallel random-access machine (parallel RAM or PRAM) The Starmaker <starmaker@ix.netcom.com> - 2025-12-14 19:46 -0800
                Re: parallel random-access machine (parallel RAM or PRAM) The Starmaker <starmaker@ix.netcom.com> - 2025-12-14 10:27 -0800
                Re: parallel random-access machine (parallel RAM or PRAM) The Starmaker <starmaker@ix.netcom.com> - 2025-12-14 10:58 -0800
                Re: parallel random-access machine (parallel RAM or PRAM) Thomas Heger <ttt_heg@web.de> - 2025-12-15 07:50 +0100
                Re: parallel random-access machine (parallel RAM or PRAM) "Paul.B.Andersen" <relativity@paulba.no> - 2025-12-15 14:05 +0100
                Re: parallel random-access machine (parallel RAM or PRAM) Thomas Heger <ttt_heg@web.de> - 2025-12-16 08:44 +0100
                Re: parallel random-access machine (parallel RAM or PRAM) "Paul.B.Andersen" <relativity@paulba.no> - 2025-12-16 22:58 +0100
                Re: parallel random-access machine (parallel RAM or PRAM) Thomas Heger <ttt_heg@web.de> - 2025-12-17 08:50 +0100
                Re: parallel random-access machine (parallel RAM or PRAM) "Paul.B.Andersen" <relativity@paulba.no> - 2025-12-17 14:24 +0100
                Re: parallel random-access machine (parallel RAM or PRAM) The Starmaker <starmaker@ix.netcom.com> - 2025-12-18 22:13 -0800
                Re: parallel random-access machine (parallel RAM or PRAM) The Starmaker <starmaker@ix.netcom.com> - 2025-12-19 12:02 -0800
                Re: parallel random-access machine (parallel RAM or PRAM) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2025-12-17 18:24 +0100
                Re: parallel random-access machine (parallel RAM or PRAM) Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-18 06:49 +0000
  Re: parallel random-access machine (parallel RAM or PRAM) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2025-12-06 05:30 +0100

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