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Re: What is the oldest computer that could be used today for real work? [message #410896 is a reply to message #410895]

Fri, 10 September 2021 22:15

Dan Espen
Messages: 3867
Registered: January 2012

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Senior Member

Peter Flass <peter_flass@yahoo.com> writes:

> Dan Espen <dan1espen@gmail.com> wrote:
>> scott@slp53.sl.home (Scott Lurndal) writes:
>>
>>> Peter Flass <peter_flass@yahoo.com> writes:
>>>> Scott Lurndal <scott@slp53.sl.home> wrote:
>>>> > Dan Espen <dan1espen@gmail.com> writes:
>>>> >> John Goerzen <jgoerzen@complete.org> writes:
>>>> >>
>>>> >>> On 2021-09-08, Peter Flass <peter_flass@yahoo.com> wrote:
>>>> >>>> You can still run programs compiled on a 360 on the latest â€œzâ€ box.
>>>> >>>
>>>> >>> I gotta say - that's darn impressive. I'm not aware of anything else that
>>>> >>> maintains compatibility that long; am I missing anything?
>>>> >>
>>>> >> Nope. S/360 in it's various flavors is the only survivor of that era.
>>>> >
>>>> > Actually, that's not precisely true. The Burroughs B5500 still lives on
>>>> > as the Unisys Clearpath systems, and still supports object files from
>>>> > the 1960s.
>>>> >
>>>>
>>>> ? I thought that the 5500â€™s successor systems werenâ€™t object-compatible
>>>> with it. I donâ€™t know about the degree of compatibility between the 6000s,
>>>> 7000s, and 8000s. Id be happy to be corrected.
>>>
>>> There was a step change between the B5500 and the B6500; after than they
>>> were binary compatible (e-mode in the early 1980s added support for larger
>>> memory, but still ran old codefiles).
>>
>> I see a date of 1969 for the B6500.
>> That gives the title back to S/360.
>>
>> I had to support a project moving Unisys code to z-Arch.
>> We had persistent performance issues, the mainframe just couldn't deal
>> with loading lots of small programs while the app was running.
>> I see Unisys is naturally reentrant. That probably had a lot to do with
>> the problems we were having.
>
> You could have reentrant programs on S/360, too, but they had to be coded
> as reentrant. I believe all HLLs would generate reentrant code, unless you
> deliberately wrote them to be otherwise. There were lots of tuning
> techniques you could use to optimize the “lots of small programs,” too, but
> they weren’t automatic. That is what CICS is really good at. I thought
> UNIVAC TIP would be a dog compared to CICS, because it did just run lots
> of small programs.

This was a C project and the Unisys code invoked lots of mains.
The IBM LE code to establish reentrancy (mainly building the WSA)
was a major player in the slowness. I'm guessing that Unisys
had more efficient ways of establishing reentrancy.

--
Dan Espen

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		What is the oldest computer that could be used today for real work? By: faux_dameron on Sun, 05 September 2021 05:55
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sun, 05 September 2021 06:35
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sun, 05 September 2021 12:28
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Thu, 23 September 2021 21:31
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Mon, 04 October 2021 11:12
		Re: What is the oldest computer that could be used today for real work? By: scott on Mon, 04 October 2021 12:50
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Mon, 04 October 2021 14:25
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Mon, 04 October 2021 14:52
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Mon, 04 October 2021 13:00
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Mon, 04 October 2021 14:32
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sun, 05 September 2021 22:54
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Mon, 06 September 2021 00:06
		Re: What is the oldest computer that could be used today for real work? By: faux_dameron on Mon, 06 September 2021 02:30
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Mon, 06 September 2021 04:14
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Mon, 06 September 2021 06:55
		Re: What is the oldest computer that could be used today for real work? By: faux_dameron on Mon, 06 September 2021 07:12
		Re: What is the oldest computer that could be used today for real work? By: faux_dameron on Mon, 06 September 2021 07:16
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Mon, 06 September 2021 13:44
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Mon, 06 September 2021 15:07
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Mon, 06 September 2021 16:05
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Mon, 06 September 2021 16:54
		Re: What is the oldest computer that could be used today for real work? By: lawrence on Sat, 25 September 2021 19:48
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sun, 26 September 2021 12:55
		Re: What is the oldest computer that could be used today for real work? By: John Levine on Sun, 26 September 2021 15:50
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 22 October 2021 03:36
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 22 October 2021 03:42
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 22 October 2021 11:02
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Mon, 06 September 2021 13:42
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Thu, 30 September 2021 09:34
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Mon, 06 September 2021 13:56
		Re: What is the oldest computer that could be used today for real work? By: Robin Vowels on Mon, 06 September 2021 23:27
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sun, 05 September 2021 23:39
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 07 September 2021 01:03
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 07 September 2021 09:06
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Wed, 08 September 2021 00:00
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Wed, 08 September 2021 03:10
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Thu, 09 September 2021 09:08
		Re: What is the oldest computer that could be used today for real work? By: John Levine on Thu, 09 September 2021 21:35
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Thu, 09 September 2021 23:52
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 10 September 2021 11:57
		Re: What is the oldest computer that could be used today for real work? By: Anne & Lynn Wheel on Fri, 10 September 2021 12:49
		Re: What is the oldest computer that could be used today for real work? By: Andreas Kohlbach on Fri, 10 September 2021 12:51
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 11 September 2021 03:34
		Re: What is the oldest computer that could be used today for real work? By: Anne & Lynn Wheel on Thu, 09 September 2021 23:56
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 10 September 2021 01:17
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 10 September 2021 11:54
		Re: What is the oldest computer that could be used today for real work? By: scott on Fri, 10 September 2021 16:45
		Re: What is the oldest computer that could be used today for real work? By: John Levine on Fri, 10 September 2021 18:03
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 11 September 2021 02:42
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 11 September 2021 08:55
		Re: What is the oldest computer that could be used today for real work? By: Andy Burns on Sat, 11 September 2021 15:02
		Re: What is the oldest computer that could be used today for real work? By: scott on Sat, 11 September 2021 15:42
		Re: What is the oldest computer that could be used today for real work? By: Andy Burns on Sun, 12 September 2021 06:45
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sun, 12 September 2021 12:24
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Wed, 08 September 2021 14:50
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Wed, 08 September 2021 18:46
		Re: What is the oldest computer that could be used today for real work? By: Dan Espen on Wed, 08 September 2021 20:28
		Re: What is the oldest computer that could be used today for real work? By: John Levine on Wed, 08 September 2021 21:59
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Wed, 08 September 2021 22:24
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Thu, 09 September 2021 01:14
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Thu, 09 September 2021 01:59
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Thu, 09 September 2021 13:53
		Re: What is the oldest computer that could be used today for real work? By: scott on Thu, 09 September 2021 14:27
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Thu, 09 September 2021 15:23
		Re: What is the oldest computer that could be used today for real work? By: scott on Thu, 09 September 2021 17:10
		Re: What is the oldest computer that could be used today for real work? By: Dan Espen on Thu, 09 September 2021 21:02
		Re: What is the oldest computer that could be used today for real work? By: scott on Thu, 09 September 2021 23:19
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Fri, 10 September 2021 21:40
		Re: What is the oldest computer that could be used today for real work? By: Dan Espen on Fri, 10 September 2021 22:15
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 11 September 2021 03:36
		Re: reentrant, What is the oldest computer that could be used today for real work? By: John Levine on Sat, 11 September 2021 20:02
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Mon, 13 September 2021 14:39
		Re: What is the oldest computer that could be used today for real work? By: Dan Espen on Thu, 09 September 2021 15:44
		Re: What is the oldest computer that could be used today for real work? By: scott on Thu, 09 September 2021 17:14
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Fri, 10 September 2021 21:40
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 11 September 2021 07:36
		Re: What is the oldest computer that could be used today for real work? By: scott on Sat, 11 September 2021 11:26
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 17 September 2021 23:57
		Re: What is the oldest computer that could be used today for real work? By: John Levine on Sat, 18 September 2021 00:07
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Sat, 18 September 2021 02:27
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 18 September 2021 02:49
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 18 September 2021 05:47
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Sat, 18 September 2021 14:02
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 18 September 2021 16:07
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Sat, 18 September 2021 10:52
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Sat, 18 September 2021 14:02
		Re: What is the oldest computer that could be used today for real work? By: Dan Espen on Sat, 18 September 2021 17:46
		Re: What is the oldest computer that could be used today for real work? By: cross on Wed, 22 September 2021 15:00
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Wed, 22 September 2021 17:54
		Re: What is the oldest computer that could be used today for real work? By: cross on Fri, 24 September 2021 15:13
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 24 September 2021 18:37
		Re: What is the oldest computer that could be used today for real work? By: cross on Mon, 27 September 2021 08:52
		Re: What is the oldest computer that could be used today for real work? By: Dan Espen on Wed, 22 September 2021 21:15
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Wed, 22 September 2021 22:34
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Wed, 22 September 2021 22:51
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Wed, 22 September 2021 23:28
		Re: What is the oldest computer that could be used today for real work? By: scott on Thu, 23 September 2021 10:00
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Thu, 23 September 2021 14:31
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Thu, 23 September 2021 20:47
		Re: What is the oldest computer that could be used today for real work? By: Mike Spencer on Fri, 24 September 2021 02:10
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 24 September 2021 18:50
		Re: What is the oldest computer that could be used today for real work? By: Mike Spencer on Sat, 25 September 2021 03:22
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 25 September 2021 07:19
		Re: What is the oldest computer that could be used today for real work? By: usenet on Tue, 28 September 2021 09:10
		Re: bootstrap, was What is the oldest computer that could be used today for real work? By: John Levine on Wed, 29 September 2021 18:10
		Re: bootstrap, was What is the oldest computer that could be used today for real work? By: Anne & Lynn Wheel on Wed, 29 September 2021 23:16
		Re: bootstrap, was What is the oldest computer that could be used today for real work? By: scott on Thu, 30 September 2021 10:29
		Re: bootstrap, was What is the oldest computer that could be used today for real work? By: Peter Flass on Thu, 30 September 2021 20:43
		Re: bootstrap, was What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 01 October 2021 23:04
		Re: bootstrap, was What is the oldest computer that could be used today for real work? By: Charles Richmond on Thu, 30 September 2021 10:41
		Re: bootstrap, was What is the oldest computer that could be used today for real work? By: Dan Espen on Thu, 30 September 2021 11:03
		Re: bootstrap, was What is the oldest computer that could be used today for real work? By: Anne & Lynn Wheel on Thu, 30 September 2021 15:16
		Re: bootstrap, was What is the oldest computer that could be used today for real work? By: Peter Flass on Thu, 30 September 2021 20:43
		Re: bootstrap, was What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Fri, 01 October 2021 01:18
		Re: bootstrap, was What is the oldest computer that could be used today for real work? By: John Levine on Sun, 03 October 2021 18:45
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Sat, 25 September 2021 15:28
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 25 September 2021 15:56
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Sat, 25 September 2021 17:21
		Re: What is the oldest computer that could be used today for real work? By: usenet on Tue, 28 September 2021 09:11
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Tue, 28 September 2021 09:48
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Fri, 24 September 2021 13:16
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 24 September 2021 20:11
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Thu, 23 September 2021 10:32
		Re: What is the oldest computer that could be used today for real work? By: Dan Espen on Thu, 23 September 2021 10:52
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Thu, 23 September 2021 13:01
		Re: What is the oldest computer that could be used today for real work? By: scott on Thu, 23 September 2021 13:05
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Thu, 23 September 2021 14:42
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Thu, 23 September 2021 20:51
		Re: What is the oldest computer that could be used today for real work? By: Dan Espen on Thu, 23 September 2021 13:12
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Thu, 23 September 2021 14:41
		Re: What is the oldest computer that could be used today for real work? By: Andreas Kohlbach on Thu, 23 September 2021 13:40
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 24 September 2021 18:28
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 24 September 2021 20:38
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Sun, 26 September 2021 00:24
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sun, 26 September 2021 03:19
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sun, 26 September 2021 12:11
		Re: What is the oldest computer that could be used today for real work? By: cross on Fri, 24 September 2021 15:15
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 01 October 2021 06:48
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Fri, 01 October 2021 13:43
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sun, 03 October 2021 16:43
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Sun, 03 October 2021 17:14
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sun, 03 October 2021 17:56
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Sun, 03 October 2021 21:56
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Mon, 04 October 2021 20:32
		Re: What is the oldest computer that could be used today for real work? By: Dan Espen on Mon, 04 October 2021 20:59
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Mon, 04 October 2021 22:29
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 05 October 2021 02:23
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 05 October 2021 03:50
		Re: What is the oldest computer that could be used today for real work? By: Robin Vowels on Tue, 05 October 2021 06:47
		Re: What is the oldest computer that could be used today for real work? By: Joy Beeson on Tue, 05 October 2021 22:36
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Tue, 05 October 2021 09:48
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Tue, 05 October 2021 04:11
		Re: What is the oldest computer that could be used today for real work? By: scott on Tue, 05 October 2021 10:13
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Wed, 06 October 2021 03:57
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 05 October 2021 03:47
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 05 October 2021 06:29
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 05 October 2021 09:54
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 05 October 2021 11:49
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Tue, 05 October 2021 19:04
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Wed, 06 October 2021 01:37
		Re: unbooks, was What is the oldest computer that could be used today for real work? By: John Levine on Mon, 04 October 2021 22:57
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 05 October 2021 03:45
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 05 October 2021 06:31
		Re: What is the oldest computer that could be used today for real work? By: Jorgen Grahn on Sun, 24 October 2021 10:36
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Sun, 24 October 2021 23:40
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Mon, 25 October 2021 13:53
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Mon, 04 October 2021 01:07
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Mon, 04 October 2021 03:12
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Mon, 04 October 2021 11:22
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Mon, 04 October 2021 20:31
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Mon, 04 October 2021 21:09
		Re: What is the oldest computer that could be used today for real work? By: Mike Spencer on Mon, 04 October 2021 23:35
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 05 October 2021 03:42
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Tue, 05 October 2021 09:48
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 05 October 2021 11:50
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Wed, 06 October 2021 03:52
		Re: empty buildings was What is the oldest computer that could be used today for real work? By: John Levine on Wed, 06 October 2021 14:46
		Re: empty buildings was What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Wed, 06 October 2021 16:50
		Re: empty buildings was What is the oldest computer that could be used today for real work? By: Anonymous on Thu, 07 October 2021 06:52
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Wed, 06 October 2021 16:24
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Thu, 07 October 2021 06:57
		Re: What is the oldest computer that could be used today for real work? By: scott on Tue, 05 October 2021 10:11
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 18 September 2021 05:23
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Sat, 18 September 2021 14:02
		Re: What is the oldest computer that could be used today for real work? By: Dan Espen on Sat, 18 September 2021 17:50
		Re: What is the oldest computer that could be used today for real work? By: John Levine on Sat, 18 September 2021 14:20
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 18 September 2021 16:13
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 18 September 2021 18:30
		Re: What is the oldest computer that could be used today for real work? By: John Levine on Sat, 18 September 2021 21:55
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sat, 18 September 2021 22:08
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sun, 19 September 2021 02:22
		Re: What is the oldest computer that could be used today for real work? By: John Levine on Sun, 19 September 2021 23:24
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Sat, 18 September 2021 14:02
		Re: What is the oldest computer that could be used today for real work? By: scott on Tue, 07 September 2021 11:08
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 07 September 2021 11:34
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Tue, 07 September 2021 12:14
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Thu, 23 September 2021 21:41
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 24 September 2021 18:25
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 24 September 2021 20:36
		Re: What is the oldest computer that could be used today for real work? By: Andreas Kohlbach on Sat, 25 September 2021 02:57
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Sun, 26 September 2021 00:24
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sun, 26 September 2021 03:10
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Sun, 26 September 2021 12:10
		Re: What is the oldest computer that could be used today for real work? By: usenet on Tue, 28 September 2021 09:13
		Re: What is the oldest computer that could be used today for real work? By: usenet on Tue, 28 September 2021 09:10
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Tue, 28 September 2021 15:03
		Re: What is the oldest computer that could be used today for real work? By: Charles Richmond on Thu, 30 September 2021 10:46
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Thu, 30 September 2021 13:44
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Thu, 30 September 2021 14:10
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 01 October 2021 07:38
		Re: What is the oldest computer that could be used today for real work? By: Charlie Gibbs on Fri, 01 October 2021 13:43
		Re: What is the oldest computer that could be used today for real work? By: Peter Flass on Sun, 03 October 2021 15:14
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Tue, 05 October 2021 16:18
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Wed, 06 October 2021 03:54
		Re: What is the oldest computer that could be used today for real work? By: Ahem A Rivet's Shot on Wed, 06 October 2021 06:29
		Re: What is the oldest computer that could be used today for real work? By: Anonymous on Fri, 08 October 2021 10:27

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