Long description

figure (a) shows a vertical block labeled Process A, the top of the block is consist of a stack that is shaded and an arrow is pointed downward from this stack and another arrow is pointed toward this stack and labeled Stack pointer. The bottom of the block is consist of two stacks which are labeled B S S, data, and Text, and shaded Text is ranging from 0 to 8 K, and Data and B S S is ranging from 8 K to 20 K. An arrow is pointed upward from the B S S block.

Figure (b) shows a vertical block labeled Physical memory which is divided into 23 stacks. The stacks 1,2, 8,9,10,11, 15,16,17,19 and 20 are shaded. An arrow is pointed toward the 12th stack and labeled Unused memory.

Figure (c) shows a vertical block labeled Process B the top of the block is consist of a stack that is shaded and an arrow is pointed downwards from this stack and another arrow is pointed toward this stack and labeled Stack pointer. The bottom of the block is consist of two stacks which are labeled B S S, data, and Text, and shaded Text is ranging from 0 to 8 K, and Data and B S S is ranging from 8K to 24 K. An arrow is pointed upward from the B S S block.