Across
- 3. IP addresses are made up of ___ groups of numbers
- 5. Emails that are unwanted
- 7. Addresses that allows messages to be sent and received
- 8. Networks that send data through the air using radio waves
- 10. Used to connect one network to another network over a large area
- 12. Domain for some schools or universities
Down
- 1. Whatsapp uses this to make internet calls
- 2. These transmit 99% of internet data under the oceans
- 4. Invented by Tim Berners-Lee in 1989
- 5. A powerful computer which provides services
- 6. The smallest unit of data
- 9. The original name for the Internet in the 1960s
- 11. Connects a number of computers together