In a cache, if the hit ratio is 0.9, hit time is 2 ns and miss penalty is 100…
2025
In a cache, if the hit ratio is 0.9, hit time is 2 ns and miss penalty is 100 ns, the average memory access time
is:
- A.
10 ns
- B.
12 ns
- C.
20 ns
- D.
100 ns
Attempted by 52 students.
Show answer & explanation
Correct answer: B
Average memory access time = hit time + miss rate x miss penalty = 2 + 0.1 x 100 = 12 ns.