| 摘要 |
<p>PURPOSE:To increase the amount of information of data to be displayed and to easily and speedily search for necessary screen data by providing a scroll control part with a data reduction processing part which reduces display screen data at the time of scrolling on a screen so that the amount of display information on the screen increases. CONSTITUTION:The scroll control part is provided with the data reduction processing part 17 which reduces the display screen data at the time of the scrolling on the screen so that the amount of display information on the screen increases. When the scrolling is, instructed by a reduction screen scrolling instructing means 11 or with a normal cursor movement key, etc., while the screen (a) is displayed on a display device 12, the data reduction processing part 17 reduces the display screen data so as to wide the display range of the screen data stored in a screen data storage part 15. Consequently, much screen data are displayed on the display device 12 as shown by a display screen (b) during the screen scrolling operation.</p> |
