Across
- 2. a program that organises interrupts into an order based upon priorities
- 6. a signal sent to the processor to tell it that its attention is required
- 8. system software that performs house-keeping activities
- 10. a program that controls a device, for example, a printer or a keyboard
- 11. instructions that are stored in the ROM and are loaded when the computer starts
- 16. a series of instructions written in a programming language that perform a function
- 18. a type of software that manages the hardware and software in a computer
- 19. a hardware device, used to store or output data from a computer, that is not directly part of the computer itself
Down
- 1. a piece of software that retrieves and displays web pages
- 3. a type of application software that allows the user to create text based documents
- 4. an example of application software to store and manipulate data
- 5. a type of operatingsystem that allows the user to type or speak commands
- 7. a type of operating system that includes windows, icons, menus and pointers.
- 9. software that allows users to perform a task
- 12. the method by which a user communicates with a computer
- 13. a type of application that performs calculations on data
- 14. the first commands loaded when a computer starts, it checks hardware and loads the firmware
- 15. a program that manages the computer, allows the user to communicate with computer, and allows the software to be run
- 17. a type of operating system where the user types commands
