Which of the following statements is/are true?
1
Paging, Multilevel Paging, Inverted Paging, Segmentation and Segmented Paging are Contiguous Allocation of Memory in the Operating System.
2
Thrashing leads to low CPU utilization.
3
Paging, Multilevel Paging, Inverted Paging, Segmentation and Segmented Paging are Non-Contiguous Allocation of Memory in the Operating System.
4
Virtual memory is illusion of large main memory.