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