| 摘要 |
The invention provides a keyboard including a plurality of user-operable keys and a processor. The user-operable keys include a first key and a second key. The processor generates a first key signal in response to the key-in action of the first key, generates a second key signal in response to the key-in action of the second key, and generates the second key signal in response to the key-in action of the second key together with the first key. The first key signal represents the first key. The second key signal represents the second key.
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