VTU BCS503 | DFA for Even a and Even b | Even a Odd b | Odd a and Even b | Odd a Odd b | TOC

In this video, we solve Module 1 (Introduction to Finite Automata) of VTU 5th Semester – Theory of Computation (Subject Code: BCS503).
We will construct a DFA that accepts all strings over the alphabet {a, b} having even number of a’s and even number of b’s.and also odd no.of a's and even no. of b's
even no. of a's and even no. of b's
odd no. of a's and even no. of b's
DFA for Even a and Even b | Even a Odd b | Odd a and Even b | Odd a Odd b | TOC
🧩 Question:
👉 Obtain a DFA to accept strings of a’s and b’s having even number of a’s and even number of b’s.

🧠 Concepts Covered:

Construction of DFA for counting parity (even/odd)

State representation using combinations of even/odd conditions

Transition diagram for 4-state DFA

Step-by-step logic building and verification

Example inputs and outputs for testing DFA correctness

📘 Useful for:

VTU 5th Sem CSE / ISE Students

Theory of Computation (BCS503)

Module 1 – DFA Design and Applications

VTU Internal and External Exam Preparation

📚 Playlist: [VTU 5th Sem TOC – Module 1: Introduction to Finite Automata]
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VTU 5th Sem TOC| DFA for even number of a’s and b’s | Module 1– EASY CONCEPT Finite Automata|BCS503
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