P′′
978-613-3-18305-6
6133183055
148
2010-09-30
45.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. P′′ is a primitive computer programming language created by Corrado Böhm in 1964 to describe a family of Turing machines.The program expects an integer to be represented in bijective base-n notation, with a1, ..., an coding the digits 1,...,n, respectively, and to have an a0 before and after the digit-string. (E.g. in bijective base-2, the number eight would be encoded as a0a1a1a2a0, because 8 = 1*22 + 1*21 + 2*20.) At the beginning and end of the computation, the tape-head is on the a0 preceding the digit-string.
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Programming language
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