MULTIWINDOW DISPLAY DEVICE

PURPOSE:To instantaneously display only an objective window group on a screen with a simple operation even if plural windows are complicatedly on the screen. CONSTITUTION:A multiwindow display device is provided with a frame buffer 60, an input means 10, a menu processing judgement means 20 judging an inputted menu content, a group registration means 30 which is started when judgement is group registration and stores an inputted window number in a group management table, a window management means 40 which is started when judgement is window deletion out of the group and generates a display list for not displaying the window out of the group from information on a window management table and the group management table, and a window display means 50 which updates window management table information from the display list, window management table information and display order management table information, deletes or writes widow data as against the frame buffer 60.