Which of the following is/are fastest memory allocation policy? a. First Fit b. Best Fit c. Worst Fit d. Next Fit e. All of the above f. None of the above3 What replacement policy is used by Windows...

Which of the following is/are fastest memory allocation policy? a. First Fit b. Best Fit c. Worst Fit d. Next Fit e. All of the above f. None of the above3 What replacement policy is used by Windows NT a. LRU b. NFU c. FIFO d. Clock Replacement e. None of the aboveWhat do you think are the flaws in following page replacement policies. a. FIFO b. LRU c. NFU7 If the hit ratio to a TLB is 80%, and it takes 15 nanoseconds to search the TLB, and 150 nanoseconds to access the main memory, then what must be the effective memory access time in nanoseconds? a. 185 b. 195 c. 205 d. 175