| 摘要 |
An apparatus, which has a second memory for storing data and which calls for the stored data from the second memory so as to output the data, is provided with an inputted-time storing means for storing in the means the times at which respective data were stored, a timer for counting time, a compression processing section, and a compressed-time measuring section for storing the times at which the compression processing section carried out its compressing operations. In accordance with information from the inputted-time storing means, the timer and the compressed-time measuring section, the compression processing section detects data whose compressing times have been due from the data stored the second memory, and carries out processes on the selected data in order to increase the remaining amount of the second memory. Thus, it becomes possible to maintain necessary data efficiently using the limited storage capacity of the second memory, without imposing a greater workload on the user.
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