5. What is Wi-Fi
Wi-Fi is a communication technology that makes use of radio waves in order to connect to a local area network.
It is also widely used to connect to the internet from a laptop or smart phone whilst out and about.
The word Wi-Fi is actually a trade name owned by the Wi-Fi alliance. The alliance is a group of about 300 companies from around the world. They work together to make sure that all 'Wi-Fi' enabled devices are compatible with one another.
All laptops have Wi-Fi built in.
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