Introduction of Pushdown Automata
We have already discussed finite automata. But finite automata can be used to…
Ambiguity in Context-Free Grammars
If a context free grammar G has more than one derivation tree for some…
Classification of Context Free Grammars
Context Free Grammars (CFG) can be classified on the basis of following two properties:…
Closure properties of Regular languages
Closure properties on regular languages are defined as certain operations on regular language which are…
Designing Finite Automata from Regular Expression (Set 1)
In this article, we will see some popular regular expressions and how…
