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Formal Languages Models of Computation

Formal Languages Models of Computation. Computation. memory. CPU. temporary memory. input memory. CPU. output memory. Program memory. Example:. temporary memory. input memory. CPU. output memory. Program memory. compute. compute. temporary memory. input memory. CPU.

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Languages

Languages. Language: a set of strings String: a sequence of symbols from some alphabet Example: Strings: cat, dog, house Language: {cat, dog, house}. Alphabet:. Languages are used to describe computation problems:. Alphabet:. Alphabets and Strings.

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Chapter 6

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