Computer Networks is a helpful app designed to teach networking basics concepts. The app covers the 4 layers of the TCP/IP protocol suite, providing detailed explanations and diagrams. It also includes a reference section with a list of the best computer network books. Users can easily learn about the goals and applications of computer networks in various fields. The app helps users understand the concepts of the OSI reference model and the advantages of computer networks. Additionally, it provides a list of tools and commands for practicing computer networks. The app covers fundamental computer networking topics, including interview question solutions. It explains the uses of computer networks for business, home, and mobile users with clear diagrams. The app has a simple and user-friendly interface, is free to download, and works offline. Users can also share the app with their friends and family members using any messaging app on their phone.