Article View: alt.folklore.computers
Article #620828Re: Implementation of a Turing Machine?
From: Michael LeVine
Date: Wed, 21 Feb 2018 18:11
Date: Wed, 21 Feb 2018 18:11
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3260 bytes
On 2018-02-21 17:48:34 +0000, Gene Wirchenko said: > On 21 Feb 2018 11:13:54 GMT, maus <ma...@mail.com> wrote: > >> On 2018-02-20, Gene Wirchenko <ge...@telus.net> wrote: >>> On Mon, 19 Feb 2018 09:11:12 +0000, Gareth's Downstairs Computer >>> <headstone255.but.n...@yahoo.com> wrote: >>> >>>> On 19/02/2018 07:26, Gene Wirchenko wrote: >>> >>>> Not enough description of the state machine, though, for >>>> each state need to know action if 1 or 0 read, whether to >>>> write back 1 or 0, and next state whether 1 or 0 read. >>>> >>>> It is particularly fascinating that a Turing Machine could >>>> have been built with the technology available at the time >>>> it was first postualted (1935?) >>> >>> I do not think that that is that notable. The machine could have >>> been made back in Babbage's time. (Too bad Babbage did not come up >>> with something more immediately practical.) > >> AFAIhaveread, the problem was that it not possible to machine parts to >> the limits that Babbage's machines needed, at that time. > > I was thinking of that plus that Babbage did not get something > practical going. That might have helped get mechanical computing > going big. > > Sincerely, > > Gene Wirchenko His difference engine was built tothe same tolerance's that were available in his time, and it worked as designed. https://www.youtube.com/watch?v=be1EM3gQkAY https://www.youtube.com/watch?v=BlbQsKpq3Ak -- Michael LeVine mlevine...@redshift.com Politics is the art of looking for trouble, finding it everywhere, diagnosing it incorrectly, and applying the wrong remedies. Groucho Marx
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