单词 | keyboard |
释义 | keyboard A simple computer input device comprising a set of alphabetic, numeric, punctuation, sym- bol, control, and function keys mounted on a board or other flat surface or control panel.When the user depresses a key or a combination of keys, a coded signal is sent to the computer. If the key is associated with a character, the computer echoes the signal by displaying the character on the monitor. See also keypad. |
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