A system uses 20 GB of virtual memory and 12 GB of physical memory. If 9 GB of physical memory is currently in use, how much virtual memory is outside physical memory under the simplified model?

Options

  • A. 9 GB
  • B. 11 GB
  • C. 12 GB
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. 11 GB

Detailed Explanation

The amount outside physical memory is 20 GB − 9 GB = 11 GB.

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BPSC TRE 4 operating system practice set 1

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