Regular Expression The language accepted by finite automata can be easily described by simple expressions called Regular Expressions. It is the most…
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deterministic finite automata
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Ambiguity in Grammar A grammar is said to be ambiguous if there exists more than one leftmost derivation or more than one…
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Chomsky Hierarchy Chomsky Hierarchy represents the class of languages that are accepted by the different machine. The category of language in Chomsky’s…
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PDA Acceptance A language can be accepted by Pushdown automata using two approaches: 1. Acceptance by Final State: The PDA is said…
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Theory of Automata Theory of automata is a theoretical branch of computer science and mathematical. It is the study of abstract machines…
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Post Correspondence Problem In this section, we will discuss the undecidability of string and not of Turing machines. The undecidability of the…
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Transition Diagram A transition diagram or state transition diagram is a directed graph which can be constructed as follows: There is a…
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Basic Model of Turing machine The turning machine can be modelled with the help of the following representation. 1. The input tape…
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Regular Expression The language accepted by finite automata can be easily described by simple expressions called Regular Expressions. It is the most…
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Transition Table The transition table is basically a tabular representation of the transition function. It takes two arguments (a state and a…
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