Virtual Memory

Virtual Memory: Noun – Memory that appears to exist as main storage although most of it is supported by data held in secondary storage, transfer between the two being made automatically when needed.

Virtual Memory is a form of volatile memory that is created temporarily on the storage drive. It is created when the computer is running many processes at once and the RAM is running low.

Virtual Memory is a lot slower than main memory as power is used up by moving data around rather than simply executing instructions.

virtual-memory-xp
Virtual Memory on Windows XP
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