4. (a) When running a particular program with N
memory accesses, a computer with a cache
and paged virtual memory generates a
total of M cache misses and F page faults.
Ti is the time for a cache hit; T2 is the
time for a main memory hit and T3 is the
time to load a page into main memory
from the disk.
(i) What is the cache hit ratio ?
(ii) What is the main memory hit ratio ?
That is, what percentage of main
memory accesses do not generate a
(iii) What is the overall effective access
time for the system ?
Select the correct answer from above options