Comments by "Martin Maat" (@MartinMaat) on "Turing Machine Alternative (Counter Machines) - Computerphile" video.

  1. A stack holds multiple items, this is just one item of which the value is incremented or decremented with each operation. And that is indeed counting (up or down).
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  2.  @mattdurcan5633  That is an implementation detail, irrelevant to the model.
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