Paging in OS
Paging Paging is a fixed size partitioning scheme. In paging, secondary memory and main memory are divided into equal fixed size partitions. The partitions of secondary memory are called as pages . The partitions of main memory are called as frames . Each process is divided into parts where size of each part is same as page size. The size of the last part may be less than the page size. The pages of process are stored in the frames of main memory depending upon their availability. Different operating system defines different frame sizes. The sizes of each frame must be equal. Considering the fact that the pages are mapped to the frames in Paging, page size needs to be as same as frame size. Example- Consider a process is divided into 4 pages P 0 , P 1 , P 2 and P 3 . Depending upon the availability, these pages may be stored in the main memory fra...
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