431
submitted 9 months ago by JokaJukka@lemmy.world to c/memes@lemmy.ml
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[-] zewu@lemmy.world 69 points 9 months ago

Breaking: turing-complete system can simulate any turing machine

[-] AnarchistArtificer@slrpnk.net 10 points 9 months ago
[-] PipedLinkBot@feddit.rocks 2 points 9 months ago

Here is an alternative Piped link(s):

PowerPoint is Turing Complete

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[-] TimeSquirrel@kbin.social 52 points 9 months ago* (last edited 9 months ago)

Theoretically, anything that can implement boolean logic can be used to build a Turing-complete CPU. It just needs to represent a "true" state", a "false" state, a way to make a comparisons, and an input and output mechanism to feed other subunits or retrieve data from them. Stuff like this has also been implemented using water pumps/valves, and even in Minecraft using redstone. Computers don't have to be based on electronics.

[-] ShortN0te@lemmy.ml 31 points 9 months ago

In short, everything that is Turing-conplete can compute anything.

[-] photonic_sorcerer@lemmy.dbzer0.com 13 points 9 months ago* (last edited 9 months ago)

Except for that which is non-computable.

[-] Norgur@kbin.social 17 points 9 months ago

Like yo Mama's weight!

SCNR

[-] ShortN0te@lemmy.ml 4 points 9 months ago

New to me that there is proof that something is not computable.

[-] MacFearrs@lemmy.dbzer0.com 17 points 9 months ago

The most obvious answer to this is the halting problem.

[-] Brickhead92@lemmy.world 2 points 9 months ago

That doesn't compute.

[-] EmiliaTheHero@possumpat.io 1 points 9 months ago

Stuff like this has also been implemented using water pumps/valves, and even in Minecraft using redstone.

Or even in Minecraft using water pumps/valves

https://youtu.be/a1JsjYLn1Vo?si=FwaHXzSSuBCHNjyH

[-] PipedLinkBot@feddit.rocks 1 points 9 months ago

Here is an alternative Piped link(s):

https://piped.video/a1JsjYLn1Vo?si=FwaHXzSSuBCHNjyH

Piped is a privacy-respecting open-source alternative frontend to YouTube.

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[-] Norgur@kbin.social 11 points 9 months ago

No! Bad boy! Very bad boy! Sit!

[-] BeigeAgenda@lemmy.ca 4 points 9 months ago
[-] fkn@lemmy.world 3 points 9 months ago* (last edited 9 months ago)

On modern CPUs? Almost.

this post was submitted on 27 Jan 2024
431 points (98.0% liked)

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