Computer Networking Basics | Hub, Switch, Router, Topologies & LAN Explained Lecture 1 | 2026

Welcome to Lecture 1 of our Computer Networks & Internet series! 🌐 In this lecture, we’ll learn the fundamentals of computer networking in a simple and beginner-friendly way. 📚 Topics covered: 00:00 Introduction 00:30 What is a Network? 01:30 Network Components 03:30 Hub, Switch, Router & Firewall 06:00 Network Topologies 09:00 Bus, Star, Ring & Mesh Topology 12:00 Transmission Media 15:00 Wired & Wireless Media 18:00 Network Devices 21:00 PAN, LAN, MAN & WAN 24:00 Advantages & Disadvantages of Networks 26:00 How Data Travels Through a Network 28:00 Key Points & Summary In the next lecture, we’ll move deeper into the Internet, ISP, IP Address, MAC Address, Internet Protocols, URL, DNS and more. If you're preparing for computer fundamentals, networking, NIELIT, NCPUL, school/college exams, or simply want to understand how the Internet works, this series is for you. 👍 Like the video if it helped you 💬 Comment your question below 🔔 Subscribe for the next lecture #ComputerNetworking #NetworkingBasics #ComputerNetworks