| 摘要 |
<p>A keyboard used for typing tutoring comprises a plurality of keys, in which each key comprises first and second actuators. The first actuator is arranged to generate a keystroke signal when the key is pressed by a first prescribed amount to record a normal keystroke on a computer with which the keyboard is associated. The second actuator is arranged to generate a contact signal when the key is contacted by a user and pressed by a second prescribed amount which is less than the first prescribed amount. An indicator responsive to the contact signals generated by the second actuators of the keys indicates to the user which key has been contacted. The indicator is operable independently of a monitor of the computer which displays the normal keystrokes.</p> |
