Computer & Online Safety Basics / How computers work
Lesson 9 of 30
IP addresses and DNS
Every device on a network has an IP address like 192.168.1.20. DNS is the internet's phone book: it turns a name like google.com into the IP address your computer actually connects to.
Key points
- IPv4 addresses have four numbers from 0 to 255
- DNS translates names to addresses
- Your router gives home devices private IPs
Quiz · +10 XP
What does DNS do?
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