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.