2.a) Consider the following grammar: В Ово | 1B1 | ОС1 | 1C0 C> ɛ | OC | 1C OC1 | 1C0 Show the simulation of Recursive Descent Parsing using the above grammar for the input string: 1011 There are some properties of this parsing algorithm, which makes this less efficient than others. Which parsing algorithm can you choose to improve the efficiency of this parsing? Justify your answer.

Q: a) Consider the following grammar and eliminate left recursion- A→ Bxp B→ Box|v|xy P→P+ P P→ (P) | F…

A: Left Recursive Grammer: The recursive grammar is said to be left recursive if the leftmost variable…

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

A: Left factoring of above grammer is given below

Q: Q. 16 Let G be the following grammar: S-XYfg X-XSm|e Y-XhS e Variables S, X and Y are non-terminals…

A: Introduction

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

A:

Q: 3. Prove that the following grammar is ambiguous by drawing two different parse trees of the same…

A: Answer: Let the word is "aaabb"

Q: Consider the following grammar (which is in CNF). Determine whether the string bbaab belongs to the…

A: The Cocke-Younger-Kasami algorithm is a parsing algorithm for context free grammer.

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: 2. Let the Following Grammar be S-> S+S| DRT | (S)| A A-> B| al c| MG| e F-> A| TYU|G B-> d| r| e…

A: Given grammar is: S→S+S|DRT|(S)|AA→B|a|c|MG|εF→A|TYU|GB→d|r|εQ→RTY|GHT a. Given string is w=d+(a+r)…

Q: (3) Let E = {a, b}. Solve the following questions: (i) Given a regular expression r = (bb*a +…

A: From the given regular expression r, we have to design a NFA to accept the language L(r). Also find…

Q: Q No. 2: Consider the following grammar G: S - ABS I AB A→ aAla B - bA Which of the following…

A:

Q: Let ∑ = {a, b}. Solve the following questions: Given a regular expression r=bb*a+aa*b*, find an NFA…

A: Let ∑= {a,b} Given Regular expression r=bb*a+aa*b*

Q: 1. Use the algorithm described in our course materials (videos) that takes a CFG and converts it…

A: ANSWER:         GIVEN CFG IS  S->AB A->aA | b B->bBb | aa|^  here  the following steps are…

Q: w a parse tree for the string ddadddd using buttom-up and Top-down methods with the Context-Free…

A: Q3 The analysis part terminates the source program into integral pieces and forms an interposing…

Q: 18 Prove that the following grammar is ambiguous S --> S-S | S % S | ^S | (S) |c|d by giving two…

A: We have to check that given grammar is ambiguous or not. To check any grammar is ambiguous or not:…

Q: Given the following grammar and the right sentential form, draw a parse tree and show the phrases…

A: Parse Tree: A parse tree or parsing tree or derivation tree or concrete syntax tree is an ordered,…

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: Consider the following grammar.  ::= , |    ::=   ::= A | Y | B | U  ::= 1|2|3|4 Which of…

A:

Q: 1. The grammar is known as follows: P → H | PbdH H → a | (P) Asked: c. Please check the parsing…

A: Given grammar: P → H | PbdHH → a | (P)     To check: abda

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

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

Q: 1. Consider the following Grammar S- E E – TE' E' → +E |-E | ɛ | F → id | num T - FT' T' → *T | /T |…

A: Ambiguous Grammar : A grammar is ambiguous if we have more than one way of processing any…

Q: 3. For the following grammar, eliminate left-recursion and apply left factoring : a. S>a | ba | SBC…

A: Given:- In a. We are given a grammar in which we need to eliminate left recursion and then apply…

Q: Consider the context-free grammar S → ABS | AB A → aA | a B → bB | b Give a leftmost derivation of…

A: According to the Question below the Solution:

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

A: Parse Tree:    The process of deriving a string is called as derivation.  The geometrical…

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: Eliminate ambiguity from the following grammar, S→ iEtS I iEtSeS I a E → blcld. Where a, b, c, d,…

A: The Answer is

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: NAT Lang processing:  Please explain in detail    Consider a CFG representing a phrase structure…

A: Step 1. Eliminate start symbol from RHS.If start symbol S is at the RHS of any production in the…

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

A:

Q: PROBLEM 3 The grammar GBp = ({(,)}, {S}, {S → () | SS | (S)},S) generates the language of nonempty…

A: S Using rule S -> SS, we get SS Using rule S -> SS on just right S above, we get SSS Using…

Q: Q1-Consider the following grammar: → a c | → C | C → d Which of the following sentences are in…

A:

Q: 3. Given the following grammar and its right sentential form of bBab, draw a parse tree and show the…

A: a. aaAbb Parse Tree:   S / | \ a A b…

Q: 11. Consider the following grammar: -> a b -> b | b -> a | a Which of the following sentences…

A: We need to explain why the answers are correct for the given grammer <S>. We have grammars as-…

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

A: A derivation of the string using a given context-free grammar

Q: 3. Write a correct recursive descent grammar that correctly recognizes arithmetic expressions…

A: Construction of LL(1) Parsing Table, Classification of high down parsers Parsing is that the method…

Q: PROBLEM 8 Erom the following grammar eliminate useless symbols. S → A11B|11A S → AB|11 A 0 B → BB

A: Step 1 The solution is given in the below step

Q: G={ S->A A->BC DBC B-->Bb |e C -cle D-> ald a) is this grammar suitable to be parsed using the…

A: As per our guidelines, we are supposed to answer first 3 parts of a question. Please re post other…

Q: Let 2 = {a, b}. Solve the following questions: (i) LetZ = {a, b}. Given a regular expression r = (ba…

A: NFA over an alphabet A is similar to a DFA except that Λ-edges are allowed,there is no requirement…

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: (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: (a) Why do we need parse tree. (b) Differentiate between top-down and bottom-up parsing methods…

A: Here is the solution which is mentioned below:

Q: (a) Why do we need parse tree. (b) Differentiate between top-down and bottom-up parsing methods…

A: Here is the Answer and Explanation

Q: Consider the grammar G defined below: S → aSa | Aa | abbB A → bA |A B → aB | bb Select all the…

A: We are given a grammar G along with its productions and we are going to understand to which class of…

Q: 1. Consider the following grammar: - | -> + ] -> * [ / -> | ( ) -> a | blc|d draw a…

A:

Q: following grammars and identify the type of recursion for example left or right recursion. if left…

A: consider the following grammars and identify the type of recursion for example left or right…

Q: Consider the following syntax directed translation: E → E + {print ´+'} T E - T T →T {print *} * F T…

A:

Q: Identify whether the following set is regular, context-free but not regular or context free. Justify…

A: Given Language : L = {aibjci+j | i,j>=1} To find : Check type of language Respective Machine…

Q: 19. Consider the following grammar. S→ ASBC CB BC bB bb S → aBC aB ab Context bC bc cC → cc (a)…

A: According to our guidelines we solve first three sub parts:…

Q: QUESTION 4: CONSIDER THE FOLLOWING GRAMMAR THEN ANSWER THE QUESTIONS BELOW: S -a | bbA | B A → aB_]…

A: A. Removing null productions : Removing A -> λ S -> a | bb | bbA | B A -> aB B -> a | aA…