Across
- 2. a field of mathematics involving addition, subtraction,multiplication,division
- 7. to plan how a machine will look and work
- 9. collection of texts, recordings
- 12. sb who swims down to the bottom of the sea in order to collect sponges
- 14. ( of a machine) to be designed to take sth
- 15. a machine operated by electricity that uses programmes and stores information
- 18. to put the day , month ,a year into a machine
- 19. to occupy a certain space
- 20. sb who collects money for the government from people
- 21. the edge of the land where it meets the sea
- 22. the information you put into a computer
Down
- 1. physical force that is used to harm people or damage property
- 3. progressive, ahead in terms of technology and science
- 4. to be of certain weight
- 5. a set of instructions a computer uses to operate
- 6. thinking by yourself
- 8. sb who knows a lot about a particular thing
- 10. of greater importance
- 11. a unique characteristic
- 13. one who came before
- 16. the results that a computer produces
- 17. to use a fixed set of rules to do sth