Chapter 4: Introduction to the Internet What is the Internet?
The Internet is a global network of interconnected computers and devices that communicate with each other using a standardized set of protocols. It is a vast network infrastructure that enables the exchange of information and facilitates various online services. Here are some key points about the Internet: 1. Network of Networks: The Internet is not a single physical entity but a network of interconnected networks. It connects millions of computers, servers, routers, switches, and other devices worldwide. These devices are linked through wired or wireless connections, forming a complex web of data transmission. 2. Communication Protocols: The Internet relies on a set of communication protocols known as the Internet Protocol Suite or TCP/IP (Transmission Control Protocol/Internet Protocol). TCP/IP provides a standardized way for data to be packetized, transmitted, and received across the Internet. 3. Data Transmission: Data is transmitted across the Internet in the form of packets. Thes...