Non-Weighted Codes Explained 🔢 | Excess-3 & Gray Code | Digital Electronics Part 17

Published: 31 March 2026
on channel: Kailash Joshi Tutorials

In this lecture, we explain Non-Weighted (Unweighted) Binary Codes in Digital Electronics with simple logic and step-by-step examples. This topic is very important for Number System, Code Conversion, and competitive exams.

🔹 Topics covered in this video:
✔ What are Non-Weighted Codes
✔ Difference between Weighted & Non-Weighted Codes
✔ Excess-3 Code concept
✔ Find Excess-3 code for a given decimal number
✔ Binary to Gray Code conversion
✔ Gray to Binary conversion
✔ Solved numerical examples
✔ Exam tips and common mistakes

📌 This lecture is useful for:
• B.Tech / BCA / MCA students
• Diploma & Polytechnic students
• GATE / UGC NET / Competitive exams
• Beginners in Digital Electronics

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