Operating Systems - Old Questions

2.  Consider the following page reference string 1, 3, 5,4, 7, 1, 5, 6, 1, 2, 3, 7, 6, 3, 4, 1, 3, 8. How many page faults would occur for each of the following page replacement algorithms assuming 3 frames?

    a) FIFO

    b) OPR

    c) LRU