VTU |TOC | Module 2 | Important Questions | Regular Expressions & Finite Automata | BCS503 | PYQ's

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In this video, we cover the MOST IMPORTANT QUESTIONS of Theory of Computation (TOC) – Module 02, strictly based on the VTU CBCS syllabus and previous year question trends.
If you are preparing for VTU internals, externals, or last-minute revision, this video is a must-watch, because these questions are frequently asked for 8–10 marks and are highly scoring.
📌 Module-02 Syllabus Covered in This Video
🔹 Regular Expressions & Finite Automata

Notes & Solutions on Telegram
📌 I have uploaded complete handwritten solutions and diagrams for ALL these questions on my
Telegram channel.
Telegram Link:
🔗 https://t.me/vtu4all
This video includes exam-important questions such as:
✅ Q1. Applications of Regular Expressions
Applications of RE
UNIX notations used in RE
Regular Expressions with UNIX examples
✅ Q2. DFA Minimization
Find the minimized DFA for a given transition table
Step-by-step VTU method
✅ Q3. Pumping Lemma Theorem
Statement of Pumping Lemma
Proof that given languages are not regular
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✅ Q4. Construction of ε-NFA
ε-NFA for given Regular Expressions
Step-wise construction as per VTU exams
✅ Q5. Closure Properties of Regular Languages
Union
Concatenation
Kleene Star
Intersection
Difference
Complement
Reversal
✅ Q6. Regular Expression using State Elimination Technique
Convert FA to RE
Diagram-based questions
✅ Q7. Develop Regular Expression for the Given Language

(Highly recommended for fast revision before exams)
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✔ Covers 100% exam-oriented questions
✔ Clear explanation in simple English
✔ Exact VTU answer-writing approach
✔ Saves time during last-day preparation
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📌 Next Video: TOC Module-03 Important Questions (CFG & PDA)

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