Across
- 3. the main circuit board of a computer
- 5. go from being on to being off, e.g. a light
- 7. select something with the left button of a mouse
- 8. a computer system that stores and manages data
- 9. use a keyboard to type information
- 10. calculate using addition
- 12. a computer that provides data to other computers
- 13. when a computer stops functioning properly
- 14. choosing one or more options
- 15. when an advert or information appears when you are viewing a website
Down
- 1. physical components of a computer
- 2. a device that passes information from one computer to another
- 3. software that is designed to harm your computer
- 4. upstart up a computer system
- 6. free downloadable software
- 11. get some information
- 12. turn off
- 14. use a machine to scan information into a computer