Assertion (A): LRU (Least Recently Used) replacement policy is not applicable to direct mapped caches.
Reason (R): A unique memory page is associated with every cache page in direct mapped caches.
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false but R is true