IT503(A) Unit 2
Theory of Computation

Regular Expressions & Languages

Unit 2 Study Material

Download detailed notes, important questions and PYQ analysis for IT503(A) Theory of Computation Unit 2.

🔤 Regular Expression

Represents regular languages using symbols, union, concatenation and closure.

📐 Arden's Theorem

Used to find regular expressions from finite automata equations.

🚫 Pumping Lemma

Used to prove that some languages are not regular.

📘

Detailed Notes

Complete notes on regular grammars, regular expressions, regular sets, closure properties, Arden’s theorem, Myhill-Nerode theorem, pumping lemma, applications of finite automata and minimization of FSA.

Download PDF

Important Questions

Important RGPV questions on regular expressions, regular grammar, Arden’s theorem, pumping lemma, closure properties, Myhill-Nerode theorem and DFA minimization.

View Questions
📄

PYQ Analysis

Previous year questions and repeated topics from Theory of Computation Unit 2 for quick exam revision.

Open Analysis

Unit 2 Topics

Regular Grammars
Regular Expressions
Regular Sets
Regular Languages
Closure Properties of Regular Grammars
Union Closure
Concatenation Closure
Kleene Closure
Arden's Theorem
Applications of Arden's Theorem
Myhill-Nerode Theorem
Pumping Lemma for Regular Languages
Applications of Pumping Lemma
Proving Languages Not Regular
Applications of Finite Automata
Minimization of FSA
DFA Minimization
Equivalent States
Distinguishable States
RE to FA Conversion
FA to RE Conversion