| 摘要 |
Data processing system using a set of memory cards (10) and at least one control management unit (22). According to the invention, the memory cards and the central management unit together form a relational data base. Each memory card contains a memory (28) for storing a set of instructions (A1, A2, ..., An), each instruction containing a logical link with at least one other instruction. Application especially in pay television and other controlled access systems, for example, in banking.
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