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Across
  1. 2. the enclosure that contains most of the components of a personal computer
  2. 4. a piece of equipment used to provide data and control signals to an information processing system
  3. 5. processes commands to a computer program in the form of lines of text.
  4. 7. an identifier specified as a suffix to the name of a computer file.
  5. 9. system, is system software that manages computer hardware, software resources, and provides common services for computer programs.
  6. 12. is a form of user interface that allows users to interact with electronic devices through graphical icons and audio indicator such as primary notation.
  7. 13. is a reference model for how applications communicate over a network.
  8. 15. the retention of retrievable data on a computer or other electronic system memory
  9. 16. the physical parts of a computer
  10. 17. is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium
  11. 19. an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage
  12. 20. an electronic device for storing and processing data typically in binary form according to instructions given to it in a variable program
  13. 24. computer, a large high speed computer especially one supporting numerous workstations or peripherals
  14. 25. a collection of instructions that tell a computer how to work.
  15. 29. is a system of rules that allows two or more entities of a communications system to transmit information via any kind of variation of a physical quantity
  16. 30. a small computer that contains a microprocessor as its central processor
  17. 31. the collection and manipulation of items of data to produce meaningful information.
  18. 32. a mobile device typically with a mobile operating system and touchscreen display processing circuitry
Down
  1. 1. main processor or just processor is the electronic circuitry that executes instructions comprising a computer program
  2. 3. a particularly powerful mainframe computer
  3. 6. extends a private network across a public network and enables users to send and receive data across shared or public networks
  4. 8. a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building
  5. 10. is a form of computer memory that can be read and changed in any order typically used to store working data and machine code
  6. 11. is a piece of computer hardware or software that provides functionality for other programs or devices called clients
  7. 14. is the main printed circuit board in general purpose computers and other expandable systems
  8. 18. the arrangement of the elements of a communication network
  9. 21. card, a circuit board that can be inserted in a computer to give extra facilities or memory
  10. 22. is the recording of information in a storage medium
  11. 23. is a person who utilizes a computer or network service
  12. 26. are individual facts statistics or items of information often numeric.
  13. 27. a peripheral device
  14. 28. an electrical device that supplies electric power to an electrical load.