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Jul 15, 2011 at 19:18 comment added Karl Bielefeldt Maybe so, but the exact same inputs will still produce the exact same outputs, whether we know the inputs or not.
Jul 15, 2011 at 19:04 comment added Ben Voigt @Karl: Heisenberg proved that it's not possible to know all the inputs.
Jul 15, 2011 at 19:00 comment added Karl Bielefeldt @Ben, as far as humans are able to comprehend. At some point there is a physical process that is completely predictable if you could know all the inputs.
Jul 15, 2011 at 18:41 comment added Ben Voigt @Karl: Electronics are not completely deterministic, since thermal noise is truly random.
Jul 15, 2011 at 16:25 comment added Karl Bielefeldt Physical components are also deterministic. The appearance of non-determinism in either physical components or software stems from an observing human's inability to account for all the relevant inputs.
Jul 15, 2011 at 12:49 history edited pavium CC BY-SA 3.0
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Jul 15, 2011 at 12:46 comment added pavium Yes, but it's only an impression of non-determinism. The CPU will execute the same instructions the same way each time unless something external affects it. The software's unreliable because of the conditions under which it's run. But this is all peripheral to the OP's question.
Jul 15, 2011 at 12:41 comment added Joachim Sauer Software vaults can easily seem intermittent. I've seen bugs depend on the behaviour of other users on the same server. To the end user that makes the code seem highly non-deterministic.
Jul 15, 2011 at 12:32 history edited pavium CC BY-SA 3.0
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Jul 15, 2011 at 12:25 history answered pavium CC BY-SA 3.0