1. Given the following regular grammar:S→aSlalld, I→K1al, K→aK1d, J→ all bJ | ∧one can use the algorithm given in slide 31 of the notes "Regular Languages and FiniteAutomata- IV" to construct an NFA to recognize the language of that grammar. Fill outblanks in the following figure so that the resulting NFA would fulfill such a task, i.e., wouldrecognize the language of the given grammar.ㅁㅁ80000SK

please check explanationExplanation:Step 1 :In given regular grammar, S is the start…

Answered: 1. Given the following regular grammar:…

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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This question is about context-free grammars and parsing, and Turing machines (TM’s). Question 1) Consider the following context-free grammar G over the alphabet Σ = {a, b, c}: S → aSb | ε | acSba | abc Using any of the grammar transformation techniques we saw in this module, construct a CNFgrammar that generates the same language as the grammar G of Question 1.Make sure you include in your answer all individual steps that you followed. Please help me with this question :)
Let G = (V, E, R, S) be a grammar with V= {S, H, Gm J}; = {h, g. j}; and the set of rules: H>h | hJG G> Gg | Sg | HgJ J→ jH | HHJ| Jj Convert this grammar to a PDA using the method we described.
Consider a grammar for expressions is defined as follows:<assign> → <id> = <expr><id> → A | B | C | D<expr> → <id> + <expr>| <id> * <expr>| ( <expr> )| <id>Give a recursive descent algorithm for the BNF defined above.You may abstract away some details and are expected to make your answer using pseudo code.
Answer the given question with a proper explanation and step-by-step solution. Using the algorithm discussed in class, ”Big loop algorithm” show the transition diagram for a pushdown automaton (PDA) to recognize the language generated by G, which ahs the following grammer rules S →BAC A →a | b | c | ε B →bB | b C →cC | ε Fully define for the grammar G above, that is G = (....Describe in English what language the grammar G generates . Give an example showing that the grammar G above is ambiguous
1. Consider the following context-free grammar with start symbol S, nonterminals {S, A, B, C}, and terminals {0,1}: SAO A→B A → C1 B→ 1 B→ E C→ 0 (a) Compute all the sets FIRST and FOLLOW necessary to implement a recursive decent parser for this grammar. However, do not list any unnecessary such a set. (b) Investigate all the combinations of sets FIRST and FOLLOW that are involved in the im- plementation of a recursive descent parser for this grammar. Explain how these com- bination make the grammar suitable or unsuitable (as the case might be) for recursive descent parsing.
4. Given the context-free grammar S-> aB | bA A-> as | bAA | a B-> bS | aBB | b a. Give a left-most derivation of the string abba. b. Construct a PDA that simulates the grammar, that is, the rules of the grammar must be part of the machine. c. Trace the machine using your left-most derivation of string abba. Show the stack contents.
NAT Lang processing: Please explain in detail Consider a CFG representing a phrase structure grammar for a natural language such as English, including the following rule (the period is part of the rule): S -> NP VP . In this rule, S, NP, and VP are non-terminal symbols, but we will assume that the period is a terminal symbol specifically representing a period (as opposed to some other end-of-sentence marker). So, we can interpret this rule as stating that a sentence can have the form of a noun phrase followed by a verb phrase followed by a period. (To implement a parser for grammars with rules like this, the tokenizer would have to treat periods as separate tokens.) Assume that you need to convert this grammar to Chomsky normal form (CNF), perhaps with the CKY parsing algorithm in mind. Using the procedure discussed in class, show the rules that might result from the conversion.
For each of these languages, give both a context-free grammar and a push down automaton. Briefly explain how your CFG and PDA work. Your CFG should be relatively simple and contain at most 6 variables. For this question, your PDA cannot be directly convertedfrom your CFG (a)L1={ x#y | x is a prefix of yR, and y∈{a,b}* } ,Σ ={a,b,#} Recall that wR is w written backwards, and u is a prefix of v if v=ut for some stringt.For example bb#abb is in L1, but a#ab is not. (b)L2={ aibjck | i ≥ j or j ≥ k } (c)L3 = {w∈{a,b}* | w contains an unequal number of a’s and b’s}
1. Use the algorithm described in class that takes a CFG and converts it into a CNF (Chomsky Normal Form) grammar that generates the same language as the original grammar, except possibly for the string A, to answer the following question. As part of your answer, you should say which variables are nullable, and you should give the appropriate grammar after each step of the algorithm. There are four steps. Give a CFG (context-free grammar) in CNF (Chomsky Normal Form) that generates the same language, except possibly for the string A, as the following grammar: SAB AB →bAa A → aaB bb
For the implementation of several compilers, it is important to understand which requirement compilers should satisfy. Explain three requirements that compilers should satisfy. Left-most, right-most and mixed derivations are often used to generate context-free grammars. A context-free grammar G has the production rules: S  aSS S b Generate the word aababbb using left most derivation.
What can be claimed about the grammar G: {S→ alaRb, R→ b|bSa }? OA. G is a context-free grammar and L(G) is a context-free language. B. G is a context-free grammar but L(G) is actually a regular language. O C. G is a regular grammar and L(G) is a regular language. What can be said about the grammar G: {S → ORO|OR1|1RO|1R1, R → E|OR|1R }? OA. G is a context-free grammar and L(G) is a context-free language. B. G is a context-free grammar but L(G) is the regular language (0+1)²(0+1)* C. G is a regular grammar and L(G) is the regular language (0+1)(0+1)*
The parser is used to construct sentences out of words in a natural language by a context-free grammar (CFG) that considers the two subsets known as LL(1) and LR(1) grammars. What is the difference between LL(1) and LR(1) grammars. Find out whether the following grammar is LL(1) or not:

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