(a) Consider the following context free grammars (CFG): i. B> dBb | bBd | dCb C>aC|E ii. 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.

Q: 1. Consider the following context-free grammars (CFG). With the help of leftmost derivation decide…

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Q: 3. Let G be the following CF grammar, with start symbol S and variables S, X,Y S- XY X → aXb|A Y →…

A: The process of deriving a string by expanding the rightmost non-terminal at each step is called as…

Q: Q2. Consider the following Context Free Grammar (CFG) S - Aa | BAb A - BB | c B - Sd |e where {a, b,…

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Q: Show the set of first terminals, First(. . .), for each nonterminal in the following CFG: S → W Y |…

A: A terminal may also be used as the reusable interface on the conductor and can be used as a point…

Q: Show the set of first terminals, First(...), for each nonterminal in the following CFG: S → WY | Y Z…

A:

Q: Let G be a context free grammar where (G-((S, A, B, C),(a, b, d), P, S) with the productions in P…

A: The answer for the context free grammar is

Q: Write a program that uses the functions larger, compareThree and main to determine the larger of two…

A: To program : The larger of two numbers or the largest of three numbers using larger , compareThree…

Q: Consider the grammar E - TE' E' → + TE' |E T- FT' 1C. T' - *FT' | ɛ F→ (E)| digit For the given…

A: Here in this question we have given a grammer and we have asked to draw annotated parse tree for…

Q: Consider the following context-free grammars (CFG). With the help of leftmost derivation decide…

A: Ambiguous grammars are the grammars by which a string is generated more than one way. In other words…

Q: Exercise 1 Consider the following BNF grammar for a language. Answer the questions below according…

A: Actually, given question regarding BNF grammar.

Q: Question 6 Let G be a grammar with the following production rules: bcs | Ad Ab S -> as A -> aB В ->…

A: The language generated from the given grammar

Q: QUESTION 2: Consider the following grammar (the start symbol is X; the alphabets are implicit in the…

A: A. Solution: X→BXX→BBX              by X→BXX→BBBX            by X→BXX→BBB              by X→∈X→BB01…

Q: (5) Consider the grammar G=(V,T,EP) with V={E,I}, T={a, b, c, +,-, *. (.)}, and productions R→R+R|R…

A: The solution for the above given question is given below:

Q: n.5 Let G = (V = {S,T},£ = {a,b}, P, S) be a context-free grammar, whose productions P are defined…

A: Context free grammar: It  is a formal grammar which is used to generate all possible strings in a…

Q: In Example 6.1, show a derivation tree for the string ababbac, using both the original and the…

A: Given:Grammar 1: A→a|aaA|abBc,B→abbA|bModified grammar: A→a|aaA|ababbAc|abbc,B→abbA|bString: ababbac

Q: Consider a grammar below : S> (L)|a L>L,S|S Question : 1. Construct an augmented grammar, and…

A: Actually, given grammar S-> (L) |a L-> L,  S|S

Q: Consider a grammar below : s→(L)| a L>L,S|S Question : 1. Construct an augmented grammar, and…

A: 1.Construct the Augmented Grammar: Add S’->S to the original Grammar S’->S S->(L) S->a…

Q: Problem Consider the following grammar. E → ExE | y Here are the item sets for the grammar. Note…

A: 1) 11 we observe the state number 4 we are having 2 productions and those are E -> ExE. E ->…

Q: Given a CFG G = (V, T, S, P), where P is + ABAC, ВС, + b|A, D|A, d. please find V_N and the…

A: The answer given as below:

Q: Problem 5 Consider the following grammar: A := z Bz B :=CB|xyy x|e C:= DEED D:=xx|x B x | xx B|Bxx E…

A: In English the language that gives  grammar generated

Q: Question 1: (15 points) Suppose that we are given the following grammar; + | | * ( ) |x| y|z…

A: Answer to the above questions are in step2.

Q: Given a CFG G = (V, T, S, P), where P is + ABAC, BC, b|A, + D|A, d. please find V_N and the…

A: A production that allows a non-terminal to generate the empty string.

Q: Consider the following grammar: X -> (Y) | b Y -> Y, X | X 1. for the input string…

A: Given data is shown below: Consider the following grammar: X -> (Y) | b Y -> Y, X | X 1. for…

Q: Question No. 1: Consider the Grammar: A > B a | c B b | d c b|dc a B > q |e | A a c c > fA C B | q…

A: a) The given grammar does not contain any left recursion. b)The given grammar does not contain left…

Q: Complete the above augmented grammar, by giving the semantics of 'every', 'a', 'small', 'dog', and…

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Q: Complete the above augmented grammar, by giving the semantics of 'every', 'a', 'small', 'dog', and…

A:

Q: Complete the above augmented grammar, by giving the semantics of 'every', 'a', 'small', 'dog', and…

A:

Q: Complete the above augmented grammar, by giving the semantics of 'every', 'a', 'small', 'dog', and…

A:

Q: Complete the above augmented grammar, by giving the semantics of 'every', 'a', 'small', 'dog, and…

A:

Q: Complete the above augmented grammar, by giving the semantics of 'every', 'a', 'small', 'dog', and…

A:

Q: Please explain how you solve the follwing problem:

A: a) CHAIN set for each variable:CHAIN(S) = {B, C, A}CHAIN(A) = {A}CHAIN(B) = {B}CHAIN(C) = {C, A}

Q: Consider the context-free grammar S- A$ A→ aAa | B B → bbB | A If you draw a prediction table for…

A: Here if we write predictive   in alphabetical order so we get.…

Q: Consider the grammar  X -->XY |  id Y --> id    Check whether the given grammar is LL(1) or not.…

A: Given grammar    X -->XY | id Y --> id

Q: Consider G be a Context Free Grammar for which the production Rules are given below: S -> aB|bA A ->…

A:

Q: consider the CFG with{S,A,By as the non terminal alphabet jaiby as the terminal alphabet , S as the…

A: In this question, we are given a CFG and we are asked the equivalent reduced grammar. To find out…

Q: (g) A CFG(Context Free Grammar) is said to be in Chomsky Normal Form (CNF), if all the productions…

A: CFG is short form for Context Free Grammar in it CNF that is Chomsky Normal Form if all the…

Q: (1) Describe the difference between a regular grammar and a context-free grammar from their…

A: As per our company guidelines, we are supposed to answer only the first 3 sub-parts. Kindly repost…

Q: Consider the following CFG with alphabet {a, b} and start variable S: S- AB A - aAa B- ÞBb What is…

A: a) What is the strongest string in the language of the grammar excluding the empty string? S ->…

Q: 1. Construct a dfa that accepts the language generated by the grammar S→ abA, A→ baB, B→ aA|bb. 2.…

A: Given: SOLVE ONLY: 3, 6, 7, 11

Q: Consider the following attribute grammar (||=concatenate) . Show the derivation process for the…

A: we have given the following attribute grammar input int a,b,c; string S; S->E          S.st=E.st…

Q: Question 2: Given the following context-free grammar stmt: if_then | if_then_else | other_stmts…

A: A context free grammar is ambiguous if there are more then one ways to derive an output string. As…

Q: Let G be the grammar S → OB|1A. A 010S 1AA, B 1|1S|OBB. For the string 00110101, find (a) the…

A:

Q: 4.7 Given the grammar A → ( A ) A | ɛ, a. Construct First and Follow sets for the nonterminal A. b.…

A: For first we go RHS to arrow.whatever terminal you find is first of that non terminal For follow go…

Q: 4.9 Consider the following grammar (similar, but not identical to the grammar of Exercise 4.8): lexp…

A: NOTE : AS PER GUIDELINES, WE ARE AUTHORIZED TO ANSWER ONLY 3 SUB PARTS THUS REPOST d,e.

Q: ] Let L be the language Problem 3 over the alphabet E= {a,b, c, g} that contains ex- actly those…

A: Given Language is, L=gmcnbm+n+2a3k+1 This language is Context free language. Because it can be…

Q: Consider the following grammar and construct a- Simple Precedence Matrix b- Operator Precedence…

A: Given grammar is, P→P(F)|P( )|FF→CC→a%C.a|a

Q: For the given grammar, construct LR (1) automaton. Also, list the states that have reduce entries.…

A: The steps of constructing LR (1) Parsing: Firstly ,for the given input string write a context free…

Q: Consider the language L of all strings made of the symbols a, b that have at least length of three…

A: As per our guidelines we are suppose to answer 3 subparts of a question, kindly repost other…

Q: baababa" using leftmost derivation tree and rightmost derivation from the grammar given below. S- bB…

A: • Using leftmost derivation.    Deriving   く   "bbaa baba" using leftmost derivation   s->bBf…

Q: Consider the following BNF grammar for a language. Answer the questions below according to the…

A: The answer to the above question is in step2. As per our company guidelines, we are supposed to…