Across
- 1. Copies of data stored in case the original is stolen or becomes corrupt
- 4. Turning the Input into a useful form
- 6. Data entered into a system using an Input device
- 7. The action that occurs after the input has been processed
- 8. A message sent over a communications network
- 9. The only type of volatile memory
- 11. Technology that is portable
- 12. Controls and manages the computer
- 16. A network connecting computers in the same room or building or site
- 17. A group of computers that are able to connect with eachother
- 18. The physical objects that make up a computer system
- 19. A network that covers a larger geographical area than a single building
- 20. The central circuit board of the computer that contains all the electronic components such as the CPU and memory chips
Down
- 2. Computer programs that are designed to carry out specific tasks
- 3. A silicon chip that contains a CPU
- 5. The part of the computer that does most of the data processing
- 10. When the computer stops responding to software commands
- 13. The programs used by computers
- 14. Scrambling data to make it secure
- 15. This contains the instructions built in during manufacture, so that when it is inside your computer it is read only