Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Computer Organization and Architecture Memory Management Cache Memory
Consider a system with 2 level caches. Access times of Level 1 cache, Level 2 cache, and main memory are 1 ns, 10ns, and 500 ns, respectively. The hit rates of Level 1 and Level 2 caches are 0.8 to 0.9, respectively. What is the average access time of the system ignoring the search time within the cache? (consider simultaneous access)
1
13.0 ns
2
12.8 ns
3
12.6 ns
4
12.4 ns