Across
- 3. an object that provides a supply of electricity for something
- 5. to make something better
- 8. the set of keys for operating a computer or typewriter
- 9. a way of doing something by using special knowledge or skills
- 11. a piece of equipment with moving parts that uses power to do work
- 15. a portable computer that can work with a battery
- 16. connected to a computer, a computer network, or the internet
- 17. a collection of computer documents connected to the internet
- 19. the gradual growth of something
- 20. a device that you press to turn something on and off
Down
- 1. an electronic machine that produces sound
- 2. to change something by including the most recent information
- 4. the electrical system of communication that you use to talk to someone else in a different place
- 6. a machine that is used for printing documents or photographs
- 7. an electronic machine that is used to store and sort information
- 10. happening or existing now
- 12. an object used for connecting a piece of equipment to an electricity supply
- 13. a collection of computer data that forms a single unit
- 14. a telephone that people can carry and use outside
- 18. to press a button on a mouse or other device