"키보드가 연결되지 않은 경우"는 장치를 하드웨어 키보드 없이 태블릿으로 사용할 때만 터치 키보드가 표시됩니다. Tom Igoe Kan zijn the area head for physical computing courses, in which students learn to consider the motivations and actions of the people for whom they're designing as the foundation for physical interaction design. http://www-x.phys.se.tmu.ac.jp/cx-tes/index.php?ladegaardthurston111989