Скачать или смотреть Communication Modes & OSI Model Explained | Simplex, Duplex | Class 9 Computer Science (Urdu /Hindi)

📘 9th Class Computer Science - Chapter 6: Introduction to Computer Networks
🎓 In this video, we explain the *three modes of communication* and give a detailed overview of the *OSI (Open Systems Interconnection) Model* used in computer networking.

✅ What You’ll Learn:
What is Communication Mode?
Types of Communication Modes:
• Simplex
• Half Duplex
• Full Duplex
What is the OSI Model?
The 7 Layers of the OSI Model:
• Physical, Data Link, Network
• Transport, Session, Presentation, Application

🗣️ Language: Urdu / Hindi
📚 Based on Punjab Textbook Board (PCTB)
🎯 Ideal for Matric students & beginners in computer networking

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