| 摘要 |
A data processing device has a data entry device for entering data, a display device for displaying the entered data and a data storage device for storing data as files. The data processing device also has an index actuator for initiating a display of an index of the stored files on the display. Each file has a filename and an extension. The index of the stored files is arranged in a plurality of windows, with each window containing an index of the files having the same extension. The windows are arranged to partially overlap each other. The window which contains an index of the files having an extension corresponding to files readable by a currently operating application, is displayed in front of the other windows.
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