Which of the following is/are grammar(s) for the language a*b* ? Lütfen bir ya da daha fazlasını seçin: S-> e Sa | Sb None of the other options is correct. O S-> ɛ | aS|bS S-> AB, A->ɛ | aA, B->e | bB S-> E|A, A-> aA |B, B-> bB | ɛ

Q: What is the language of the context-free grammar below? S-T|U|X1XOX T→ OT1 | T1 | 1 U - OU1 | OU | 0…

A: Here we cannot derive empty string by the given grammar. Therefore option (a)is incorrect because it…

Q: S- DB D- CC |d|c B- BC |b C- CB | BD |c Check whether the string w-"cbbbdb" is derived/not derived…

A: Given grammar is, S→DBD→CC|d|cB→BC|bC→CB|BD|c Given string w= "cbbbdb" CYK algorithm is used whether…

Q: Which language do the following DFA accepts? (E-a,b) a a a,b D (ab)"Ua" D (aU ab) O (aab) (baa)"

A: The grammar starts with state 1 and ends with state 1 or 2. EXPLANATION: The options  (ab)*Ua*…

Q: Give a context-free grammar that generates the following language: {a₁ #x₂#... #** k≥ 2, each xi €…

A: Here is CFG grammar:

Q: 1- Draw an NPDA for the following languages h) L= {a^b2n, n20} U {ww}, w={a,b}*

A: A nondeterministic pushdown automaton is basically an nfa with a stack added to it.

Q: Which of the following can be derived from the following grammar? S → VV V →OV|VO|1 a. 00 b. 0010101…

A: Explanation:

Q: The regular expression a*b* represent the language {anbm | n >=0 and m >0} T True F False The…

A: We are given two questions where in the A part, we are given a regular expression and the language.…

Q: Using the following grammar -> = -> A|B|C -> + | * | () |

A: In this question we have to prove that the given grammar to give left most derivation Let's…

Q: The nullable symbol in the grammar (S-→ AB, A→ ale, B- ble) {A, B, S} {s} {A, B} {A,S}…

A: The given question regarding grammar.

Q: Automata theory Design a “Context Free Grammar” that derives the following language

A: The pushdown automata is the machine counter part of context free grammars.

Q: A grammar has the following productions: S that is generated by this grammar? assb|a| bSa. Which of…

A:

Q: Convert the following context free grammar into an equivalent PDA. S ? abS/A/B A? bA/a/e B? aA

A: A pushdown automaton (PDA) is a type of automaton that uses a stack to store information and make…

Q: What Language does this grammar describe? S -> aS | Sb | cTc T -> bT | Ta | cUc U -> cUc | d

A:

Q: Is the following grammar in Chomsky Normal Form? S > AAA| B A -> aA | B B -> e (e = "epsilon") O…

A: A Context Free Grammar is in Chomsky Normal Form if each of the productions are either of the…

Q: a*b*+c* ?

A: In the following regular expression,  a*b*+c* we either choose strings of combination of a*b* or of…

Q: 1. Which string cannot be derived from the following grammar where the alphabet is Σ = {a,b) S-> as…

A: Answer is given below:

Q: 1. Which string can be derived from the following grammar where the alphabet is Σ = {a, +,x, () }…

A: 1. The given grammar is :  E -> E + T | T T -> T x F | F F -> (E) | a

Q: LR Parsing

A: Given :- In the above question , a grammar along with the corresponding augmented grammar is mention…

Q: Consider the following grammar for arithmetic expressions: S -> S+S | S*S | a | b

A: Solution:

Q: Mathematically, describe the language generated by the following grammar using only ONE language: S…

A:

Q: Prove that the following language is regular by constructing a DFA that accepts it: L = {w € {!,O}*…

A: It is given the string will be of form, w = vw'v where |w'| = 2 and |v| = 3. So the total length of…

Q: Question 40 Which of the languages describes the following regular expression? a* (c u ba* )* O {w e…

A: The solution to the given problem is below.

Q: Which of the following variables will not be found in any sentential form starting from the Start…

A: Sentential form means it is a form which can be obtained from the start symbol using any of the…

Q: Analyze the following grammar and identify the language it recognizes: S-e |OS15 |150S

A: a. No, In the given grammar, we generate strings which is not palindrome like 01, 10, 011, .. b. No,…

Q: Describe in english what this grammar means   ->     -> a | a   -> b | b   -> c | c

A: 1. string that begin and end with same symbol . 2. all old and even length palindromes . 3. all old…

Q: 2. Give a context-free grammar that generates the following language: |k≥ 2, each x; € {a, b}*, and…

A: This is the grammar for cfg:

Q: context-free grammari

A: Given : -  It is given that a language, L1 = { ak bm c dn  | m =k + n }   Need to construct a…

Q: . The grammar that generates the following String aabbc is: a. S-> aSbc|aSb|ab b. S=> aSbS|abc c.…

A: Option a is correct answer

Q: Which of the listed languages are languages of the grammar, whose productions are here given (s…

A: A type of formal grammar that generates all feasible strings in a formal language is known as…

Q: Describe the TM that accepts the language, L= {w e {a,b,c}* | w contains equal number of a's, b's…

A: Language produces six types of character units and a, b, c can be in any form but contains the same…

Q: Classify each of the languages below using one of the following categories: regular (R) or not (N).…

A:

Q: Construct a regular expression over {a,b,c} for the language accepted by this a →A | B | | C 1 A C…

A: Let us try constructing the state table for DFA from state table of NFA Here start state for NFA is…

Q: Using the following grammar: => kinteger> => 0 112 B 4 56171 8 9 Develop a RIGHTMOST derivation…

A: Lets first understand RightMost derivation:In right most derivation we expand right most…