(3) Give a grammarG= (V,E, S,P), where V = {4,B,C},E ={a,b},S = A¸ P: A→ a4|bB,B → bC| aB,C → aB | aC | 2.(a) Is Ga regular grammar? Why?(b) Find an nfa which accepts the language L(G).(c) Find the regular expression r associated with the language accepted by the above ufa.(d) Find regular language L(7) from the above r.

According to the value given in the question, we will solve all parts.

Answered: (3) Give a grammar G= (V,E, S̟P), where…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Similar questions

Transform the grammar into Chomsky Normal Form: S → AB | aB A → aab|λ B→ bbA Transform the grammars into CNF: a) SaSb|bSa|a|b b) S→ asblab c) Sab|as|aas d) S → ABb|a, A → aaA|B, B → bAb
4. Consider the context-free grammar G= (V, T, (EXPR), P), where: V= {(EXPR), (TERM), (FACTOR)}E T= {+, x, (), a}; (EXPR) is the start variable; P= Set of production rules as follows: (EXPR) → (EXPR) + (TERM) | (EXPR) - (TERM) | (TERM) (TERM) → (TERM) × (FACTOR)| (FACTOR) (FACTOR) → ( (EXPR) ) | a | b
Check whether the given grammar is SLR(1) or not ?
(5) Consider the grammar G=(V,T,E,P) with V={E,I}, T={a, b, c, +,-, *, (. )}, and productions R → R+R|R -R | R* | (R) I = a|b|c. ) Show that G is ambiguous by giving two different derivation trees for string b+c-a (ii) Change the above grammar into the one without ambiguity.
This is not a writing assingment but it keeps getting rejected as one. Provide a CFG (context-free grammar) for the following languages (a) w = anb2n ,Σ = {a,b} (b) w: such that w is a palindrome (i.e. w = wR) ,Σ = {a,b,c}. (c) w=aibjck| i, j, k≥0, i+j=k , Σ={a,b,c}.
PLEASE ANSWR WITH CLEAR EXPLAINATION!!!
Given the context-free grammarS -> aB | bAA -> aS | bAA | aB -> bS | aBB | b Construct a PDA that simulates the grammar, that is, the rules of the grammar must be part of the machine (left most derivation always done).
(a) Consider the following context free grammars (CFG): i. ii. B> dBb | bBd | dCb C>aC |E E>FG F> fgFg | fgGg |f G→ g Do left factoring of the above grammars (if necessary). Why is it needed to do left factoring of a grammar? Explain with proper example. (b) Write down the regular expression and draw the transition diagram of how a lexical analyzer will detect all the positive or negative floating point numbers (eg. 1.5, 45, 2. , - 98. , – 6.71,- .39 etc.). 2.
1 1.12 3 4. 5. . ... Theorem: Let G= (V,T,P.S) be a rghtlimear grammar. Then there exists a language L(G) which is accepted by a FA. i. , the language generated from the regular grammar is regular language. 1/1 lilil
Question 8: Which of the following is a parse tree for the grammar S→ abS, S→ ab? Justify your answer. a (a) Choice 1: Choice 2: a (d) S 5. Choice 3: Choice 5: Choice 4: Choice 6: ·G. a a (a) (c) (e) (b) (d) (e) } (b) 55 S 5 3 T (f) a a (c)

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