HIERARCHIZATION CONTROL SYSTEM FOR TERMINAL CONTROL TABLE

PURPOSE:To save a primary memory area by dividing a terminal control table into the primary memory device and a secondary memory device. CONSTITUTION:A forming means 101 reads terminal definition information 105 in an input and output buffer 125, areas 121-123, 111-113 required for terminal control table A-C are maintained on the primary memory device 120 and the secondary memory device 110 and a terminal control table management table 200 is formed in the primary memory device 120. The terminal definition information 105 is written in the input and output buffer 125 of the primary memory area 120 and information required for starting/stopping a terminal operation is written in a primary memory area 124. A reading means 102 reads the terminal control tables A-C stored in the secondary memory device 110 in the primary memory device areas 121-123 when it is necessary that a terminal control program 104 refers to and updates the terminal control tables A-C stored in the secondary memory device 110.