Across
- 4. Software which has source code that is available to anyone for modification or enhancement
- 6. A form of defence against unauthorised access to a network or system
- 8. The interaction between a user and a computer system
- 10. Rearranges parts of files to free up storage space
Down
- 1. Software designed and developed for a certain user
- 2. Supports a computer's basic functions
- 3. Software the focuses on the configuration, maintenance and optimisation of computer infrastructure
- 5. Programs that protect and defend a computer system from hacking or viruses
- 7. Widely used Software that is available to everyone
- 9. interface for directly sending commands to an operating system
- 11. A type of interface that allows user interaction through graphical icons