Operating System(Comp-231)

Q2. Consider the following page reference string: 7,0,1,2,0,3,0,4,2,3,0,3,1,2,0 How many page faut s would occur for the First in First out (FHIO), assuming three frames? Q3. Consider the following page reference string: 7,0,1,2,0,3,0,4,2,3.0,3,2,1,2 How many page faults would occur for the least recently used (LRU/LFU), assuming three frames? Q4. Consider the following page reference string: 1, 2, 3, 4, 2, 1, 5, 6, 2, 1, 3, 1, 4, 6, 3, 2, 1, 2, 3,1 How many page faults would occur for the optimal replacement algorithm (ORA), assuming three frames