What happens to CPU utilization during severe thrashing?

Options

  • A. It always becomes 100 percent
  • B. It generally decreases
  • C. It remains exactly unchanged
  • D. It becomes independent of memory activity
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. It generally decreases

Detailed Explanation

During thrashing, the system spends substantial time waiting for paging I/O, so useful CPU utilization generally decreases.