Module 1 Summary

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Across
  1. 2. Programming interface to the services provided by the OS
  2. 4. multiple programs execute at a time on a single device
  3. 6. load an operating system into the computer's main memory
  4. 8. ___________ instructions are always executed in kernel mode
  5. 10. program in execution
  6. 13. multiple tasks run in interleaved fashion
  7. 14. An operating system is __________ driven
  8. 17. a computer system that has a single CPU to execute computer tasks.
  9. 18. vitual memory uses the concept of ___________
  10. 19. many processes are allocated with computer resources in respective time slots
  11. 20. command interpreter
Down
  1. 1. frequently used programs executed with minimal human interaction
  2. 3. an example OS that implement loadable kernel module
  3. 5. UNIX, Linux, and Mac OS X use ________ API
  4. 7. Smartphones and handheld tablet use ___________ interface
  5. 9. hardware interface which helps connect a device to a computer system
  6. 11. process of creating a particular unique instance of an operating system
  7. 12. The one program running at all times on the computer
  8. 15. temporarily store data in a computer’s main memory to enable fast retrievals of that data
  9. 16. loses its contents when power is turned off or otherwise lost