Which of the following statement is wrong? Options : Chomsky hierarchy originally define only two grammars Type 0 grammar is called unrestricted grammar Type 0 is recognized by turing machine All of these
Question
Which of the following statement is wrong?
Options : Chomsky hierarchy originally define only two grammars Type 0 grammar is called unrestricted grammar Type 0 is recognized by turing machine All of these
Solution
The incorrect statement is: "Chomsky hierarchy originally define only two grammars".
Explanation: The Chomsky hierarchy actually defines four types of grammars: Type 0 (unrestricted grammar), Type 1 (context-sensitive grammar), Type 2 (context-free grammar), and Type 3 (regular grammar). Therefore, the statement is incorrect because it suggests that the Chomsky hierarchy originally defined only two grammars. The other statements are correct. Type 0 grammar is indeed called unrestricted grammar and it is recognized by a Turing machine.
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