| 摘要 |
PROBLEM TO BE SOLVED: To output high priority output data of high output priority preferentially to low priority output data of low output priority. SOLUTION: An arithmetic unit 23 determines whether data are high priority output data whose output priority determined according to significance is high or low priority output data whose output priority is lower than that of the high priority output data, and controls the high priority output data to be output in a batch, and controls the low priority output data to be output after divided, and when the low priority output data are output, and the output request of the high priority output data is made, controls the output of the low priority output data to be temporarily stopped, and controls the high priority output data to be output by interruption. COPYRIGHT: (C)2009,JPO&INPIT
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