About this lesson: This computer science lesson introduces students to the fundamentals of wired and wireless networks, helping them understand how devices communicate and share information. Learners explore key components such as servers, routers, switches, and cables, before discovering the role of wireless technologies like Wi-Fi and Bluetooth. The lesson highlights the Internet of Things (IoT), showing how everyday objects, from fridges to toothbrushes, can connect to the internet. Through quizzes, interactive whiteboard tasks, and a creative IoT design challenge, students build knowledge of digital infrastructure while applying concepts to real-world innovation in coding, robotics, and network technology.