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Page: PmWiki.Homework1 - Last Modified : Wed, 11 Nov 09

  • Which of the following operations should be privileged (e.g., should not be executed by user programs):
    1. Set the time
    2. Read the time
    3. Issue a trap instruction
    4. Turn off interrupts
    5. Switch from user to kernel mode
    6. Access an I/O device
  • Describe two methods of passing arguments into the operating system.

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