Paging | Segmentation |
1. A page is physical unit of information | A segment is a logical unit of information. |
2. A page is invisible to the users program. | A segment is visible to the user program. |
3. A page is of fixed size e.g. 4k bytes. | A segment is of varying size. |
4. The page size is determined by the machine architectures. | A segment size is determined by the user. |
5. Fragmentation may occur | Segmentation eliminates fragmentation |
6. Page frames on main memory are required. | No frame is required. |
Also Read:-
Different between Internal and External Fragmentation
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A page is a contiguous range of memory addresses which is mapped to physical memory.
A segment is an independent address space. Each segment has addresses in a range from 0 to maximum value.
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