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_______ enables users to run program that are larger than actual physical memory.

  • A.Job scheduling
  • B.Time sharing
  • C.Virtual memory
  • D.Multi sharing

Answer: C

The answer is Virtual memory.

Virtual memory lets the operating system use part of the disk as an extension of RAM. Programs are divided into pages, and only the pages in use are kept in physical memory, so a program larger than the installed RAM can still run.

Job scheduling decides the order in which jobs get the processor. Time sharing gives several users slices of CPU time. Neither increases the memory a program can use. 'Multi sharing' is not a standard memory-management technique.

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