please answer all the questions with details

Consider the following stream of page references during the execution of a program: 8,1,2,3,1, 4,1,5,1,2,1,4, and 3 . a) How many page faults will occur if we have 3 available frames and we use the First-InFirst-Out (FIFO) replacement policy? b) Repeat (a), this time using the Least Recently Used (LRU) replacement policy. To answer the questions, you may fill in the table that follows