| 摘要 |
In a data processing system comprising a system controller (3) and a plurality of electronic cash registers (ECR's) (1, 2) connected to the system controller (3). Each ECR (1, 2) has a keyboard (11) for inputting sales data per slip number (kind), and obtains the subtotal per kind of the input sales data. The subtotal is transmitted to the system controller, which receives and stores the subtotal data per slip number. When an additional registration is performed, the ECR (1, 2) receives the subtotal data regarding the slip number from the system controller and adds the additionally registered sales data to this subtotal data. The controller stores this update. When the subtotal data is transmitted to the ECR (1, 2) and the process regarding this subtotal data is being executed in the ECR (1, 2), the system controller (3) delays transmission until the process ends. …<IMAGE>… |
