Which statement best describes the relationship between physical and virtual memory in a system using paging?

Options

  • A. Every virtual memory page must always remain in RAM
  • B. Virtual memory can exceed physical memory because some pages can be kept in secondary storage
  • C. Physical memory is always larger than virtual memory
  • D. Virtual memory eliminates the need for secondary storage
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. Virtual memory can exceed physical memory because some pages can be kept in secondary storage

Detailed Explanation

Virtual memory can exceed available RAM because pages can be backed by secondary storage when they are not resident in physical memory.

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BPSC TRE 4 operating system practice set 1

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