Many people use the words Internet and World Wide Web as if they mean the same thing. They are closely connected, but they are not the same. The Internet is the global system of connected networks. It includes the physical and digital infrastructure that allows devices to communicate across distance. The World Wide Web, often called simply the Web, is one major service that runs on the Internet.
1.4 The Internet vs. the World Wide Web Read More »
When people use the Internet, it often feels like information moves instantly. You click a link, and a webpage appears. You send a message, and someone receives it. You watch a video, and it plays on your screen. You upload a picture, download a file, search for information, or open an app, and it feels like your device is directly connected to whatever you are trying to reach.
1.3 Packets, Routes, and How Data Moves Read More »
One of the most important early networks in Internet history was called ARPANET. ARPANET stands for Advanced Research Projects Agency Network. It was funded by the Advanced Research Projects Agency, also called ARPA, which was part of the United States Department of Defense.
1.2 ARPANET and Early Networking Read More »
The Internet is one of the most important technologies in the modern world. It affects how people communicate, learn, shop, work, bank, watch entertainment, run businesses, share ideas, and access information.
1.1 The Invention of the Internet Read More »
Module 1 explains how the Internet began and how it works at a basic level. It shows that the Internet did not appear all at once, but developed gradually through research, military funding, engineering, and early computer networking experiments. The module highlights ARPANET as one of the most important early networks and explains how ideas such as packet switching, protocols, routing, and interconnected networks helped make modern Internet communication possible.
1.0 The Internet and Technology Module 1: The Origins of the Internet Read More »
