Across
- 1. to pay attention to somebody/something that you can hear
- 6. the official system used for sending and delivering letters
- 7. using only 0 and 1 as a system of numbers
- 8. a thing or an idea that has been invented
- 10. an electronic machine that can store, organize and find information
- 13. A person who is owned by another person
- 15. to remove the plug of a piece of electrical equipment
- 16. to make pictures, or a picture of something
- 18. to give somebody/something a particular name; to use a particular name or title when you are talking to somebody
- 19. an international computer network connecting other networks and computers
- 20. made to appear to exist by the use of computer software
- 21. a piece of equipment for talking to people who are not in the same place as you
Down
- 2. the knowledge and skill that you have gained through doing something for a period of time; the process of gaining this
- 3. a system for connecting to the internet
- 4. Scientific knowledge used in practical ways in industry
- 5. designed to find and destroy computer viruses
- 6. using sound, pictures and film in addition to text on a screen
- 9. involving science; connected with science
- 11. trek a US television series first shown in the 1960s
- 12. default in a system
- 14. that allows information to be passed continuously and in both directions
- 17. to look at somebody/something for a time
- 18. a series of connected metal rings