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=== To search a word in the cache ===
* The set is identified by the index bits of the address.
* The tag bits derived from the memory block address are compared with the tag bits associated with the set. If the tag matches, then there is a [[CPU cache#Cache entries|cache hit]] and the cache block is returned to the processor. Else there is a [[CPU cache#Cache miss|cache miss]] and the memory block is fetched from the lower memory ([[Computer data storage#Primary storage|main memory]], [[Computer data storage#Secondary storage|disk]]).
=== Advantages ===
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