Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co LtdfiledCriticalNEC Corp
Priority to JP11816276ApriorityCriticalpatent/JPS5342639A/en
Publication of JPS5342639ApublicationCriticalpatent/JPS5342639A/en
PURPOSE: The number of physical-unit data which are read from an imput-output device or written into the device are counted by the counter provided to the device, and this counting information is matched with the program information, thereby improving the reliability.