Chomsky Classification of Grammar || GATECSE || TOC

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chomsky classification of grammar || chomsky hierarchy || chomsky hierarchy of formal languages || chomsky hierarchy of languages in theory of computation || type 0 grammar || type 1 grammar || type 2 grammar || type 3 grammar || context free grammar || computer science lectures for gate || automata lecture for gate || chomsky hierarchy in toc || chomsky classification in toc || chomsky classification of formal language || chomsky hierarchy of languages
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This video discusses the Chomsky Hierarchy, a classification system used in automata for grammar. It identifies three types of grammar: Unrestricted Grammar (Type 0), Context Sensitive Grammar (Type 1), Context Free Grammar (Type 2), and Regular Grammar (Type 3). The hierarchy categorizes languages accepted by different machines into three types: Unrestricted, Context Sensitive, Context Free, and Regular.
Type 0 grammar, also known as Unrestricted grammar, allows for the efficient modeling of languages with no restrictions on their grammar rules.
Type 1 grammar, also known as Context Sensitive Grammar, is used to represent context-sensitive language. It follows rules such as having multiple symbols on the left side of production rules, not exceeding the right-hand side's number of symbols, and not allowing the rule A → ε unless A is a start symbol. Type 1 grammar should be Type 0, with production in the form of V → T.
Type 2 Grammar, also known as Context Free Grammar, is a type of language that can be represented by the context free grammar (CFG). Its production rule is based on the form A → α, where A is a single non-terminal or a combination of terminals and non-terminals.
Type 3 Grammar, also known as Regular Grammar, describes languages using regular expressions and can be modeled using NFA or DFA. It is the most restricted form of grammar, requiring Type 2 and Type 1 and forming the form of V → T*V / T* or V → VT* / T*.

[KaushalBeniwal_]

03:17 Chomsky classification of grammar
06:34 Chomsky Classification of Grammar
09:51 Type 0 grammar is defined using 4 tuples: V, T, P, S
13:08 Chomsky classification of grammar
16:25 Chomsky classification of type 1 grammar
19:42 Representation of grammar and Chomsky Classification
22:59 Chomsky classification defines type 2 and type 3 grammar
26:13 Chomsky classification of grammars involves left linear and right linear grammars.

[almazakhtar]

the most underrated channel for automata🤌...simple and point to point explanation =best explanation🙏

[katw]

pure youtube per iss subject ko aap se acha koi nhi padata aap padate ho toh sab samaj aata hai

[rohankhandare]

I've watched all other videos but this one is very crystal clear and understandable, really helpful .keep it up sir .

[sahilanand]

Legends studying last night before exams
Thanks sir 💖

[ninjahyper]

Sir aab lagra hai kuch toh ukhad liya hai TOC ka nahi toh samaj hi nahi aara tha 😂❤️
Thank you so much ❤

[anishsingh]

G = {V, T, P, S}

Type 0 : Unrestricted Grammar : Turing machine
Rule : NT -> (NT+T)*
Note : There should be a non terminal defining a set of terminal or non terminal
a->S fail

Type 1 : Context Sensitive Grammar : Linear bounded Automata
Note : There should be no null production in NT->(NT+T)+
|LHS|<=|RHS|
Null production is only allowed in the start symbol, with a condition that S->a/e; If this is done then S should not come on the RHS at any time.

Type 2 : Context Free Grammar : Push Down Automata
Note : |LHS|=1
Null production is allowed anywhere

Type 3 : Regular Grammar : Finite Automata
Note : It should be either RLG or LFG, right/left linear grammar, it shouldnt be a combination
S->aS/Sb is wrong, so it is not type 3

[technopal]

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[tausifansari]

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[omthorat]

Explained in a very easy and helpful manner 👏🏻👏🏻👏🏻

[fukrajvd]

Wait till end you get better understanding and tackle with question❤

[bhawarthpadwal]

thankyou... you explained this in a simplest way!

[pavanesharya]

You're to good man.. Thankq Sir..

[quarkacademy]

sir kl paper hy apka video daykh kar pura samajh agaya.

[sakshimarne]

I really like this video. Very well explained 😃

[anushthakumari]

Finally understood this topic, nice video