+ICT Crossword

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Across
  1. 2. a computer or computer program which manages access to a centralized resource or service in a network the programs and other operating information used by a computer.
  2. 5. a device or substance for absorbing excessive or unwanted heat.
  3. 8. any of various devices (including sensors) used to enter information and instructions into a computer for storage or processing and to deliver the processed data to a human operator
  4. 10. A storage device is any type of computing hardware that is used for storing, porting or extracting data files and objects.
  5. 11. a hardware component that supplies power to an electrical device.
  6. 14. a circuit board that can be inserted in a computer to give extra facilities or memory.
  7. 15. the part of a computer that houses the primary devices that perform operations and produce results for complex calculations.
  8. 18. processes commands to a computer program in the form of lines of text.
  9. 21. an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program
  10. 23. the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals
  11. 24. A network protocol is an established set of rules that determine how data is transmitted between different devices in the same network.
  12. 25. the hardware in a computing device where the operating system (OS), application programs and data in current use are kept so they can be quickly reached by the device's processor.
  13. 26. facts and statistics collected together for reference or analysis.
  14. 27. a person who uses or operates something, especially a computer or other machine.
  15. 29. high-performance computers with large amounts of memory and processors that process billions of simple calculations and transactions in real time.
  16. 30. the retention of retrievable data on a computer or other electronic system; memory.
Down
  1. 1. Network topology describes the physical and logical relationship of nodes in a network, the schematic arrangement of the links and nodes.
  2. 3. a group of letters occurring after a period in a file name, indicating the format of the file.
  3. 4. the machines, wiring, and other physical components of a computer or other electronic system.
  4. 6. a printed circuit board containing the principal components of a computer or other device, with connectors into which other circuit boards can be slotted.
  5. 7. model describes seven layers that computer systems use to communicate over a network.
  6. 9. input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance.
  7. 12. the part of a computer that houses the primary devices that perform operations and produce results for complex calculations.
  8. 13. a response to the problem of inefficient usability in early, text-based command-line interfaces for the average user.
  9. 16. a particularly powerful mainframe computer.
  10. 17. a small computer that contains a microprocessor as its central processor.
  11. 18. the part of a computer in which operations are controlled and executed.
  12. 19. a high-capacity, self-contained storage device containing a read-write mechanism plus one or more hard disks, inside a sealed unit. Also called hard disk drive.
  13. 20. extends a private network across a public network and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network.
  14. 22. software manipulating or extracting data from a stored file.
  15. 28. or tablet PC, is a portable computer that uses a touchscreen as its primary input device.