Module 1
How Internet Works
Understanding the invisible infrastructure of the web
Module Overview
Have you ever wondered what happens when you type a website address into your browser and press Enter?
Within just a few seconds, information travels across countries and oceans, reaches powerful computers called servers, and comes back to your device as a webpage, video, game, or message.
The Internet may seem like magic, but it actually works through a huge network of connected computers following simple rules.
In this lesson, students will learn:
- What the Internet is
- How devices connect to the Internet
- What servers do
- How data travels in packets
- What DNS does
- How websites are delivered
- The hidden infrastructure of the web
- Why the Internet is so fast and reliable
Chapters
14 chapters with interactive diagrams, vocabulary, knowledge checks, and mini projects.
Ready to start learning?
Start Chapter 1: What Is the Internet?
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Consica Academy · Explorer Pack · Module 1