Explain Virtual Memory, Logical Memory and Cache Memory. How do they differ from one another?

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  • Sep 24th, 2011

Virtual Memory is same as Logical Memory, it is logical representation of memory reserved and can be controlled by programmer. Operating System introduces virtual memory concept which in-powers programs to handle memory usage effectively.

Cache Memory is small fast RAM chip and as name indicates it used mainly for caching purpose. Cache memory is additional hardware chip available on motherboard..

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