| 摘要 |
PROBLEM TO BE SOLVED: To lower the production cost of a portable medium by changing functions by storing a plurality of processing programs and selecting an executable program out of them. SOLUTION: Processing programs (12a) respectively corresponding to a plurality of processing items, are written to a storage means (12) of the portable medium (1) and data (12b) with executable/unexecutable state information are also stored in the processing programs of the respective items. |
