Chapter 4 CS

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Across
  1. 2. This is used to start up the firmware of a computer
  2. 5. a type of operating system that allows the user to type or speak commands.
  3. 7. a hardware device, used io input, store or output data from a computer, that is not directly part of the computer itself.
  4. 9. a series of instructions written in a programming language that performs a function.
  5. 12. a program that organises interrupts into an order based upon priorities.
  6. 14. an example of application software to store and manipulate data.
  7. 16. a program that retrieves an interrupt and performs the required action.
  8. 17. a piece of software that retrieves and displays web pages.
  9. 18. a type of software that manages the hardware and software in a computer.
  10. 20. the method by which a user communicates with a computer.
  11. 21. a type of application software that allows the user to create text-based documents.
Down
  1. 1. a type of application software that performs calculations on data.
  2. 3. a program that manages the computer, allows the user to communicate with the computer, and allows software to be run.
  3. 4. a type of operating system where the user types commands.
  4. 6. third place of the software hierarchy
  5. 8. Second place of the software hierarchy
  6. 10. a type of operating system that includes windows, icons, menus and pointers.
  7. 11. fourth place of the software hierarchy
  8. 13. a signal sent to the processor to tell it that its attention is required.
  9. 15. A program that controls a device, for example, a printer or keyboard
  10. 19. First place of the software hierarchy