7. An input device as set forth in claim 1, wherein said specified input-code generated in accordance with a combination of said input-position and said related input-symbol is equivalent to at least one input-code obtained by simultaneous strokes of a plurality of keys in said real keyboard.
7. An input device as set forth in claim 1, wherein said specified input-code generated in accordance with a combination of said input-position and said related input-symbol is equivalent to at least one input-code obtained by simultaneous strokes of a plurality of keys in said real keyboard. 10. In input device as set forth in claim 7, wherein said meaning of each input-symbol defined by said input-symbol defining means includes information about a correspondence between said form of each of input-symbols and a method in which at least one key in said real keyboard is depressed.