Computing Crossword

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Across
  1. 6. the part of a computer that houses the primary devices that perform operations and produce results for complex calculations
  2. 7. the programs and other operating information used by a computer
  3. 9. a computer network that links devices within a building or group of adjacent buildings
  4. 12. computer hardware which is used to enter data for processing
  5. 14. the retention of retrievable data on a computer or other electronic system; memory
  6. 15. a small portable computer that accepts input directly on to its screen rather than via a keyboard or mouse
  7. 20. a particularly powerful mainframe computer
  8. 21. a group of letters occurring after a period in a file name, indicating the format of the file
  9. 23. operate on computer data by means of a program
  10. 25. a visual way of interacting with a computer using items such as windows, icons, and menus, used by most modern operating systems
  11. 27. the quantities, characters, or symbols on which operations are performed by a computer, being stored and transmitted in the form of electrical signals and recorded on magnetic, optical, or mechanical recording media
  12. 28. a printed circuit board containing the principal components of a computer or other device, with connectors into which other circuit boards can be slotted
  13. 29. a method employing encryption to provide secure access to a remote computer over the internet
  14. 31. describes seven layers that computer systems use to communicate over a network
  15. 32. a computer or computer program which manages access to a centralized resource or service in a network
Down
  1. 1. an established set of rules that determine how data is transmitted between different devices in the same network
  2. 2. a text-based user interface (UI) used to run programs, manage computer files and interact with the computer
  3. 3. any external device that provides input and output for the computer
  4. 4. high-performance computers with large amounts of memory and processors that process billions of simple calculations and transactions in real time
  5. 5. the machines, wiring, and other physical components of a computer
  6. 8. a small computer that contains a microprocessor as its central processor
  7. 10. a circuit board that can be inserted in a computer to give extra facilities or memory
  8. 11. the part of a computer in which operations are controlled and executed
  9. 13. designed to absorb and disperse heat away from a high temperature object such as a computer processor
  10. 16. an electronic device for storing and processing
  11. 17. allows you to access multiple programs at once with speed and efficiency
  12. 18. a type of file storage device connected to a computer network
  13. 19. a person who uses or operates something, especially a computer or other machine
  14. 22. the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals
  15. 24. the physical and logical relationship of nodes in a network
  16. 26. a high-capacity, self-contained storage device containing a read-write mechanism plus one or more hard disks, inside a sealed unit
  17. 30. converts one voltage to another more convenient voltage while delivering power