| 摘要 |
In an IC card, a memory is divided into a plurality of files and data management of each divided file is performed. The IC card comprises a size allocation section for allocating an optional file size to each file, and a control section for performing a control operation so that size management may be effected according to the size allocated by the size allocation section in which an instruction section for commanding that size management should not be performed in each file is included.
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