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…showed last 75 words of 599 total…divided into squares, with each square carrying a single symbol. The machine would then move from square to square and either change the value or move on according to a predetermined set of inferences. Turing proved that his machine would be able to compute any computable function given the correct set of instructions. Turing never actually built such a machine, but it was this idea that led to the construction of the modern day computer.