Data Communication Explained | Wired, Wireless, Networks & Topologies | Grade 10 OL ICT (English)

Learn the complete Data Communication lesson (Section 2.5, Chapter 2: Fundamentals of a Computer System) for the Grade 10 OL ICT syllabus, explained in simple English with clear diagrams. 📌 What you will learn in this video: ✅ Basic components: sender, medium and receiver ✅ Transmission modes: simplex, half duplex and full duplex, with examples ✅ Wired media: UTP, STP, coaxial cable and fiber optics ✅ Wireless media: radio waves (Wi-Fi, Bluetooth), microwaves and satellite communication, infrared ✅ Network devices: NIC, switch vs hub, Wi-Fi access point, router, modem and firewall ✅ Client / server network ✅ Types of networks: PAN, LAN, MAN and WAN ✅ Network topologies: star, bus, ring, tree and mesh ✅ Benefits and disadvantages of networking ✅ The class activities from the textbook Download the Presentation from here:- https://docs.google.com/presentation/... 👉 Who is this video for? Grade 10 OL ICT students (English medium) preparing for the GCE Ordinary Level exam, and anyone learning the basics of computer networks. 💡 Study tip: After each topic, pause and try to draw the diagram from memory (for example the five topologies). Then compare it with the video. 🔔 Subscribe for more GCE Grade 10 and Grade 11 ICT lessons and tech tutorials. 👍 Like the video if it helped you and share it with your classmates. 💬 Comment your questions below and I will reply. #GCEOL #Grade10ICT #OLICT #DataCommunication #ComputerNetworks #LAN #WAN #NetworkTopology #ICT #SriLanka #ICTEnglishMedium