What is Page Fault in Operating System? PDF Book

Learn Page Fault definition in operating system with explanation to study “What is Page Fault”. Study page fault explanation with operating system terms to review operating system course for online degree programs.

Page Fault Definition

  • Occurs when the page containing a referenced word is not in main memory.

    Operating Systems by William Stallings



Page Fault Explanation

Page fault occurs when a program attempts to access a block of memory that is not stored in the physical memory or RAM. The fault notifies the operating system that it must locate the data in virtual memory, then transfer it from the storage device, such as Hard Drive or Solid State Drive.

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