Operating Systems Crossword

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Across
  1. 3. Real time operating systems are mostly used in ‘________’ devices. What is the missing word?
  2. 6. apart from processing power and memory, what does a graphical user interface use a lot of?
  3. 7. What does the ‘R’ in RAM stand for?
  4. 9. what is the program that finds and removes malware because it can be harmful to your computer?
  5. 12. If your operating system runs out of RAM and/or CPU, what will be reduced?
  6. 13. What does the A in RAM stand for?
  7. 15. what type of memory is used when the RAM is used up?
  8. 18. what type of tasks is a command line interface most commonly used for?
  9. 20. What is it called if an operating system has to switch between main memory and virtual memory?
  10. 22. What is the name of the portion of the hard-disk that is used as an extension of main memory?
Down
  1. 1. What is a threat to the security of a computer system such as a virus?
  2. 2. it can be frustrating to complete tasks on a menu driven interface if there are many levels of what?
  3. 4. what is an example of a multi-user interface?
  4. 5. What type of user would use a graphical user interface?
  5. 6. Why might an experienced user now a graphical user interface?
  6. 8. What is another word for CPU?
  7. 10. An example of utility software is a disk ‘_________’. What is the missing word?
  8. 11. what type of device is a microphone?
  9. 14. What is the acronym for command line interface?
  10. 16. what is the name of the software designed to help to manage your computer and maintain it?
  11. 17. what can you have on your computer to try and stop malware attacks?
  12. 19. What would someone use if their hard-disk was damaged?
  13. 21. What is an example of a Single User Multitasking Operating System?