| 摘要 |
PURPOSE: A data processing system using a discrete operating equipment is provided to access restriction can be effected both easily and rapidly. CONSTITUTION: A displaying device displays an interface screen on which images are generated, with each image corresponding to a data processing operation executed in one of a plurality of data layers, and selection of one of which enables a user to execute a corresponding predetermined operation. A discrete operating device selects a position corresponding to a particular image on the interface screen, and transmits identification data. A position detecting device detects a position selected by using an operating device. A storage stores identification data. A receiver receives identification data. A determining device determines whether or not identification data stored in the storage is received by the receiver. A data layer selecting device selects on the basis of a determination result output from the determining device, one or more of the plurality of data layers. A data processing device carries out data processing in a data layer selected by the data layer selecting device, the data layer in which the data processing operation is executed being determined by a position detected by the position detecting device.
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