universal Turing machine

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Turing machine

Alan Turing (1912—1954) mathematician and computer scientist


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A Turing machine M that, given any input x and a suitable encoding of any Turing machine K, outputs the result of applying the Turing machine K to the input x. A universal Turing machine therefore can perform all the computations for the class of Turing machines. The existence of such a machine was discovered by Alan Turing in 1936. It lead to the concept of the stored-program computer.

Subjects: Computing.

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