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OS Memory Usage   «Prev  Next»

OS Memory Management - Exercise

Virtual memory

Objective: Identify the processes involved in virtual memory
This exercise involves matching the steps of the swap disk process to their definitions.
The image below shows the entire process.
When you have all the definitions and the corresponding parts of the process matched, click Submit to check your work. Correct answers are highlighted in green and incorrect answers are highlighted in red. If you didn't get the matches right the first time, click Clear to erase your matches and try again.
When you complete the exercise, click the Submit button to see the correct answers.

Exercise Scoring

You will receive 10 points for this exercise. The exercise is auto-scored. When you complete the exercise, click the Submit button to receive full credit.

Match the description with the letters
Match the description with the letters A,B,C,D,E

  1. The OS then allocates the RAM memory region for the requesting task.
  2. If no memory exists, the OS will swap-out the least recently used memory segment onto the swap disk.
  3. An OS task requests a memory region from UNIX.
  4. Once the task is complete, the OS will page-in the memory segment into RAM from the swap disk.
  5. The OS checks available memory.