Computers Computers Computers

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