If main memory access time is 100ns, cache access time is 50 ns, cache hit rate is 90% then what is the average time to read from memory?

If main memory access time is 100ns, cache access time is 50 ns, cache hit rate is 90% then what is the average time to read from memory?

From the BB Assistant Maintenance Engineer 2017 – Written exam, question 8 of 8.

More from this paper