How the Internet Works
Classes 6–12 · about 6 minutes · free, no sign-up
What you will learn
Explain that data travels as numbered packets, that routers forward packets along the quickest available route, and that the network survives broken links because there are many paths.
How to play
- Type a message and press send. Watch the packets hop from router to router.
- Tap a cable to cut it, then send again and see the new route.
- Turn on the busy network and see packets arrive out of order.
- Finish three challenges, including putting jumbled packets back in order.
Go deeper
Notes, practice questions and tests for the same topic:
Class 8 Computers NCERT chapters → Class 11 Computer Science NCERT chapters →More in Cyber Safety Lab

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Play →Free forever, no account needed. No ads for students and no tracking. Anything you type stays on your device.