NIMCET 2008 Question Paper with solutions

Question : 95 of 120

Marks: +1, -0

The main disadvantage of direct mapping of cache organization is that

it doesn't allow simultaneous access to the intended data and its tag.
it is more expensive than other type of organizations.
the cache hit ratio is degraded if two or more blocks used alternatively map onto the same block frame in the cache.
the number of blocks required for the cache increases linearly with the size of the main memory.

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