In message <20050812073044.GA42693_at_finch-staff-1.thus.net>, "Clive D.W. Feather
" writes:
>Poul-Henning Kamp said:
>> As I said, 50 years seems right, and it does so because there is
>> no currently running computer that has worked for 50 years.
>
>Actually, the "programme machines" that control the signalling of much of
>the London Underground are somewhat older than that. They run to, IIRC, a
>15 second accuracy (I'd have to dig out various technical papers to be
>sure).
The Copenhagen S-trains are controlled by a 30 year old system I think.
>> In the US I belive something is antique when it is 25 years old,
>> in Europe I think it has to be 50 years old to gain the distinction.
>
>100 years.
>
>--
>Clive D.W. Feather | Work: <clive_at_demon.net> | Tel: +44 20 8495 6138
>Internet Expert | Home: <clive_at_davros.org> | Fax: +44 870 051 9937
>Demon Internet | WWW: http://www.davros.org | Mobile: +44 7973 377646
>Thus plc | |
>
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
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Never attribute to malice what can adequately be explained by incompetence.
Received on Fri Aug 12 2005 - 00:34:54 PDT