| 摘要 |
The invention relates to engineering fields, where, among other things, it is reasonable to use information processing methods, in particular in industry, agriculture, public health and other sectors and, principally, in electric and electronic engineering. Said invention is characterised in that a screen is used in the form of a touch-control keyboard whose key layout is displayed on the screen in such a way that the image of each key has a maximum size, thereby also requiring the maximum size of the keyboard image, respectively, without necessity to leave a part of the screen to be simultaneously used for any other purpose that the keyboard operation. The invention makes it easy to use the screen in the form of a touch-control keyboard.
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