Data processing system using a dual monitor and controlling method of network system thereby

The invention claims with the data - processing system of a screen, the pair of display and display device of different display content. The data - processing system, comprisingA memory, wherein the utility program to a processing the area; A first, comprising a screen data to a processing's result; A second, comprising a screen data to a processing's result, the result is different from adopting the content of the first A display,Result of processor, which is a memory processing through the data input of input device, and a first and second A output; the diameterThe first display, a display screen data from A first; And the second display, a display screen data from A second.