| 摘要 |
PURPOSE:To obtain a sales register capable of registering sales in the state with minimal disturbance even for the failure of lines and the like by minimizing the memory capacity. CONSTITUTION:When a judgment means judged that the same PLU information was already stored in a memory means 7 in which a plurality of PLU information is stored in the order of input, it erases the same PLU information. When the judgment means judged that the same goods data was not stored in a memory means 7, it erases the oldest PLU information stored in. While a writing means for writing the newest PLU information in the memory means 7 and a file controller 1 are functioning normally, registration process is done with the use of the PLU information called out of the file controller 1. A control means for registering and processing by using the PLU information stored in the memory only when the file controller 1 failed is provided in a plurality of terminals 2, 3, respectively. |
