A guide to communication technologies covering all the key concepts you need to know to understand the principles of computer communication. Whether you're a GCSE, IB or A-level computer science student, our guide provides a detailed explanation of how communication technologies work, including wired and wireless communication, network topologies, protocols, and data transmission. We also cover the different types of communication technologies, such as Ethernet, Wi-Fi, Bluetooth, and cellular networks, and explain their applications in various computing systems. Our guide includes real-world examples and case studies to help you master communication principles and prepare for your computer science exams. Check out the links below: