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Cache Memory (Memory Systems (Location (Can be internal or external to the…

- - - - Information is lost when electrical power goes off.
    - - No electrical power is needed to retain information. The information remains until it is changed.
- - - - The simplest one. Maps each block of main memory to one cache line.
    - - Each main memory block can be loaded into any line of the cache. Cache interprets a memory address as a tag and a world field.
    - - It mixes the Direct and Associative styles and reduces both or their disadvantages.