FIELD: information technology.
SUBSTANCE: in the device, the main control section issues data containing fiscal information entered from an interface. The registration control section is connected to the main control section. The registration control section controls the registration section based on data issued from the main control section to issue a sales receipt. The memory control section is connected to the main control section and memory. The memory control section reads and writes fiscal information from and to memory under the control of the main control section. When data are entered into the main control section from the interface, the main control section controls the memory control section for writing fiscal data into the memory. The registration log creating section creates a registration log of the main control section controlling the memory control section for reading fiscal information from the memory.
EFFECT: detection of data reading through unauthorised access.
8 cl, 15 dwg
