Question: On a simple Paged system, associative registers hold the most active page entries and the full page table is stored in the main memory. If

On a simple Paged system, associative registers hold the most active page entries and the full page table is stored in the main memory. If references satisfied by associative registers take 100ns and references through main memory page table take 180 ns, what must the hit ratio be to achieve an effective access time of 125ns?

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