Ever wondered how a photo flies from your friend's phone to yours in one second? Let's find out how computer networks work — with games, puzzles and a quiz!
↓ Scroll down to start the adventure
Read the idea below, then look at the picture of devices talking to each other.
A computer network is simply a group of devices — like computers, phones, and printers — that are connected together so they can talk to each other and share information.
It's a bit like a group of friends passing notes to each other in class — except the "notes" are photos, messages, and videos, and they travel at lightning speed!
Tap each card to flip it and reveal what it means.
Press "Next" to follow one photo's journey across a network, step by step.
You press "send" on a photo. The computer gets ready to move it across the network.
Click one word on the left, then click its matching meaning on the right.
Click a word in the word bank, then click the matching dot on the diagram.
Answer 5 questions to become a Network World champion!
Data can travel through cables almost as fast as the speed of light!
Big files are broken into tiny pieces called packets before they travel, then joined back together.
The Internet connects more than 5 billion people around the world.
"WiFi" doesn't actually stand for anything official — it's just a catchy brand name!
Some networks send data through satellites in space to reach faraway places.