Determine the number of page faults when references to pages occur in the following order:
1, 2, 4, 5, 2, 1, 2, 4
Assume that the main memory can accommodate 3 pages and the main memory already has the pages 1 and 2, with page one having brought earlier than page 2. (LRU page replacement algorithm is used)
- 3
- 5
- 4
- None of these