answersLogoWhite

0

• CFG’s can generate some regular languages.
• CFG’s can generate some nonregular languages.

User Avatar

Wiki User

12y ago

What else can I help you with?

Related Questions

What is the relationship between regular expressions and context-free grammars?

Regular expressions and context-free grammars are both formal languages used in computer science to describe patterns in strings. Regular expressions are simpler and more limited in their expressive power, while context-free grammars are more complex and can describe a wider range of patterns. Regular expressions can be converted into context-free grammars, but not all context-free grammars can be represented by regular expressions.


What is the difference between context free grammar and regular grammar?

A context-free grammar can generate languages that regular grammars cannot, as it allows for the use of non-terminal symbols in productions. Regular grammars, on the other hand, are less powerful and can only generate regular languages, which are a subset of context-free languages. Context-free grammars are more expressive and have more flexibility in rule definitions compared to regular grammars.


Define the languages accepted by NFA and DFA?

In general, finite state machines can model regular grammars. Deterministic finite automata can represent deterministic context-free grammars. Non-deterministic finite automata can represent context-free grammars.


How many types of grammars are there?

There are four main types of grammars in formal language theory, classified by the Chomsky hierarchy: Type 0 (recursively enumerable grammars), Type 1 (context-sensitive grammars), Type 2 (context-free grammars), and Type 3 (regular grammars). Each type has different generative power and constraints, with Type 3 being the simplest and Type 0 being the most complex. These grammars are used to define and analyze the syntax of programming languages and natural languages.


What is relation between regular languages finite automaton and regular grammars?

finite automaton is the graphical representation of language and regular grammar is the representation of language in expressions


What copies format of source area but not the contents?

Use regular copy, then past only the format (paste format) to a cell.


When did transformational grammars first appear?

1957


What is Goals that promote satisfying family relationship?

Better grammars.


How do you say You speak German in German?

Sie sprechen Deutsch. (this is the polite format) or Du sprichst Deutsch. (this is the regular format)


Where can I find context-free grammars for the following languages?

You can find context-free grammars for specific languages in academic textbooks, research papers, or online resources dedicated to formal language theory and automata theory. These resources typically provide detailed explanations and examples of context-free grammars for various languages.


Is monkey a regular noun?

Yes, "monkey" is a regular noun. It refers to a specific type of animal and can be pluralized by simply adding an "s" to become "monkeys." Regular nouns follow standard grammatical rules for singular and plural forms.


Can a regular PCI card be used in a PCI express slot?

No. It won't fit, and the wiring and data signals are completely different. Regular PCI is a parallel format, while PCI Express is a serial format.