Across
- 2. A set of interconnected web pages
- 6. Used for storing files that are related top each other.
- 7. A set of keys that allows you to type and enter information on the computer
- 9. a unit of a computer that preserves data for retrieval
- 14. a device for connecting two computers by a telephone line
- 15. a copy of a program or file that is stored separately from the original.
- 16. a picture on a screen that represents a specific file or program.
- 18. Millions of computer networks that communicate together
- 20. A program which transmits itself between computers via, often causing damage to systems and data.
- 21. a device that lets printed material to converted into a form that can be stored in a computer.
- 22. a program that accesses and displays files and other data available on the Internet and other networks.
- 24. Software used to keep unauthorised users from accessing parts of a network or computer.
Down
- 1. a collection of related data or program records stored as a unit with a single name.
- 3. Eight binary digits
- 4. Used for short-range wireless connection of mobile phones, computers, and other electronic devices.
- 5. the physical used in computing
- 8. an error in the code of a program.
- 10. Random Access Memory.
- 11. Describes a device, such as a printer, modem, or storage system, that works in conjunction with a computer.
- 12. this stands for central processing unit, the most important part of a computer.
- 13. a fundamental unit of information having just two possible values, as either of the binary digits 0 or 1.
- 17. a piece of software that lets a computer communicate with a peripheral device.
- 19. a device that allows text or graphics to appear on paper.
- 23. A message sent or received from one computer to another