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segmentation

- User prefers to view memory as a collection of variable-sized segments, like arrays, functions, procedures, and

                main program

           - No necessary order in the segments

           - Length of each segment is defined by its purpose in the program

           - Elements within a segment defined by their of set from the beginning of segment

              _ First statement of the procedure

              _ Seventeenth entry in the symbol table

              _ Fifth instruction of the sqrt function

-         Logical address space considered to be collection of segments

           - A name and length for each segment

           - Address { Segment name and offset within the segment

               _ Segment name to be explicitly specified unlike paging

           - The only memory management scheme available on Intel 8086

               _ Memory divided into code, data, and stack segments