Computer Systems

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Across
  1. 5. Stores instructions for starting the computer.
  2. 8. The part of the CPU that carries out simple mathematical operations and logical comparisons.
  3. 9. Software designed to run or maintain a computer system (Operating System or Utilities).
  4. 11. A piece of software responsible for running the computer.
  5. 12. Fetches and executes instructions to run programs and process data.
  6. 13. A processor specialized for display functions.
  7. 14. A printed circuit board that connects the components of the computer system together allowing communication between components.
  8. 16. Memory that is directly accessible by the CPU ie: RAM and ROM.
  9. 18. All information in the main memory or storage remains when the power is lost.
  10. 19. Quick access memory found inside the CPU.
  11. 21. Software designed to maintain a computer system.
Down
  1. 1. Reorganising data on the hard drive to put broken up files back together
  2. 2. The complete collection of components
  3. 3. The part of the CPU that controls the flow of data
  4. 4. The physical parts of a computer system.
  5. 6. Stores data and instructions for currently running programs. Loses data when computer is turned off.
  6. 7. The last stage of the the FDE cycle
  7. 10. A device specialized for audio functions.
  8. 15. Programs or application that can be run on a computer system.
  9. 17. The number of instructions that the CPU can carry out each second.
  10. 20. All information in the main memory is lost when power is lost.