Skip to content
DoingCamp CS

Make it comfy

Lesson style

Quick mode shows the key picture, a summary and the practice. Good for a refresher.

Theme
Font

Both fonts are designed to be easy to read. Some readers with dyslexia prefer Lexend.

Text size
Spacing
Animations

Lesson 13 of 14 · about 12 min

How computers talk

The internet chops messages into small numbered packets that travel independently through routers and get reassembled. IP addresses say where, DNS turns names into addresses, and protocols are the agreed rules.

🔓 Unlock this lesson

This lesson is part of the DoingCamp Pass. Members get every lesson in every course, with all the interactive visuals, coding exercises and challenges.

In this lesson you'll learn:

  • Packet
  • IP address
  • DNS
  • Protocol

Free to try in F01 What Is a Computer?:

The first 3 lessons of every course are free, no account needed.