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      Question

      What is the purpose of virtual memory?

      A To increase the size of the physical memory Correct Answer Incorrect Answer
      B To provide faster access to data in RAM Correct Answer Incorrect Answer
      C To allow multiple programs to run concurrently Correct Answer Incorrect Answer
      D To extend the available memory by using secondary storage as a supplement Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Virtual memory allows an operating system to use a combination of RAM and secondary storage (usually a hard disk) to provide the illusion of a larger main memory. When the physical RAM is full, the OS can swap data between RAM and disk, thus extending the usable memory space.

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