A resident storage entry that can hold one cache block and metadata identifying its contents. Cache line identity belongs to backing computer memory; cache slot identity belongs to the consulted memory cache.
Metadata identifying which eligible backing cache block a valid cache slot currently holds. In the fully associative cache example, the cache tag is the full cache block number ; in the two-slot direct-mapped cache example, the slot supplies and the cache tag can store using the floor function.

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  1. Cache line
  2. Cache (computing)
  3. Computer memory
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