2000 core 3 unit 1

3. A portable computer that can work with a battery
6. An object used for connecting a piece of equipment to and electricity supply
12. A way of doing something by using special knowledge or skills
15. A telephone that people can carry and use outside
16. An object that provides a supply of electricity for something such as toy.
17. The electrical system of communication that you use to talk to someone else in a different place
18. A device that you press to turn something on and off
19. The set of keys for operating a computer or typewriter

1. To be connected to a computer, a computer network, or the internet
2. An electronic machine that is used to store and sort information
4. A machine that is used for printing documents or photographs
5. The gradual growth of something so that it becomes more advanced or stronger
7. To change it by including the most recent information
8. To make better
9. A collection of computer documents connected to the internet, where a company or a person puts information
10. A collection of computer data that forms a single unit
11. A piece of equipment with moving parts that uses power to do work
13. An electronic machine that produces sound
14. Happening or existing now
15. To press a button on a mouse or other device