A document writing apparatus capable of editing a document while simultaneously displaying another document in the same frame of a display. A unit for determining the display method is provided which selects, when two documents are simultaneously displayed, bisected display areas on which the two documents are respectively displayed so that the lines of the two documents are displayed in a series relationship with each other if the sum of the numbers of characters constituting one lines of the two documents is smaller than the maximum of the number of characters which can be displayed on the display in the widthwise direction, or are displayed in parallel with each other if the sum of the numbers of characters exceeds the maximum number of characters. The display method determining unit selects the number of dots constituting each displayed character so that the number of display dots is maximized within the limit of the predetermined maximum number of display dots.
A method and apparatus for displaying a data collection within a data processing system, wherein the data collection includes a plurality of entries. First a control layer is displayed. Next, entries from the plurality of entries in the data collection are displayed within the control layer. In response to entries within the plurality of entries being undisplayed within the control layer, a secondary layer and entries from the additional entries from the plurality of entries are displayed within the secondary layer, wherein the data collection is efficiently displayed within the data processing system.
In an electric filing apparatus, a document is read, and the read document is divided into blocks by a predetermined dividing number. Further, the divided block is divided into a partial image or partial character train, and a partial image or partial character train is extracted from a predetermined position every block. The extracted partial images or partial character trains are combined, thereby forming a reduced image smaller than an original image or character train. When selecting a document registered by the user, a list of the reduced images is displayed.
