Exploring Regular and Context-Free Languages

Exploring Regular and Context-Free Languages

University

20 Qs

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Exploring Regular and Context-Free Languages

Exploring Regular and Context-Free Languages

Assessment

Quiz

Other

University

Practice Problem

Hard

Created by

Digendra Singh

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a regular grammar?

A regular grammar is used to define context-free languages.

A regular grammar is a method for writing algorithms.

A regular grammar is a type of formal grammar that generates regular languages.

A regular grammar is a type of programming language.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the equivalence between regular grammars and finite automata.

Regular grammars and finite automata are equivalent in terms of the languages they can define and recognize.

Finite automata can recognize context-sensitive languages.

Regular grammars can only define context-free languages.

Regular grammars are more powerful than finite automata.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the properties of regular languages?

Regular languages are not closed under concatenation.

Regular languages can only be recognized by Turing machines.

Regular languages are closed under union, intersection, concatenation, and Kleene star; they can be represented by regular expressions and recognized by finite automata.

Regular languages cannot be represented by regular expressions.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

State Kleene's theorem and its significance.

Kleene's theorem establishes the equivalence between regular expressions, finite automata, and regular languages.

Kleene's theorem states that all languages are regular.

Kleene's theorem defines the properties of context-sensitive languages.

Kleene's theorem relates context-free grammars to Turing machines.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Pumping Lemma for regular languages?

The Pumping Lemma indicates that no string in a regular language can be repeated.

The Pumping Lemma applies only to context-free languages, not regular languages.

The Pumping Lemma states that all strings in a regular language are of the same length.

The Pumping Lemma for regular languages states that any sufficiently long string in a regular language can be split into parts that can be 'pumped' (repeated) while still remaining in the language.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define context-free languages (CFL).

Context-free languages (CFL) are languages generated by context-free grammars, characterized by production rules with a single non-terminal on the left-hand side.

Languages that can only be generated by finite automata

Languages that require multiple non-terminals on the left-hand side

Languages defined by regular expressions

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a context-free grammar (CFG)?

A context-free grammar (CFG) is a method for compiling code into machine language.

A context-free grammar (CFG) is a set of rules for natural language processing.

A context-free grammar (CFG) is a type of programming language.

A context-free grammar (CFG) is a formal grammar that generates strings from a set of production rules.

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