| 摘要 |
According to one aspect of this invention, there is provided a computer keyboard having a predetermined specific key to request a computer to perform a predetermined function for/of disconnection or reconnection of an external device, and arrow keys. The predetermined specific key is positioned close to the arrow keys, and the predetermined specific key and the arrow keys are so configured that a user can display a device list, select an external device among the device list, and request disconnection or reconnection of the external device to the computer, by manipulation(s) of the predetermined specific key and the arrow keys only. The predetermined specific key may be a special purpose key.
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