Computer Networks and the Internet
Connected computers
What is a network?
A computer network is a group of devices that can communicate and share data. The internet is a huge network of networks.
How communication works
When you send a message online, information is broken into small pieces, sent across connections, and reassembled at the destination.
Why networks are powerful
Networks let people share files, use web services, communicate quickly, and access information from far away.
What is the internet?
The internet connects many networks together.
Correct answer: A huge network of networks
What is a computer network?
Networks connect devices so they can exchange information.
Correct answer: A group of devices that can communicate and share data
Network vs internet
Network
- A set of connected devices
- Can be small, like in a home or school
Internet
- A global network made from many smaller networks
- Used to access websites, services, and communication tools
Which is an example of a network?
Connected devices form a network.
Correct answer: A set of connected school computers
Why do networks need communication rules?
Shared rules make communication reliable.
Correct answer: So devices can understand each other and exchange data correctly