Unit 1

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