术语 | keyboard scan |
释义 | keyboard scan 键盘扫描 In microcomputers, the periodic sampling of the switches activated by the keys of a keyboard by the central processing unit, to determine if a key has been depressed and its identity. 在微型计算机中,由中央处理机对键盘上由各键触发的开关进行周期性采样过程, 用以判断是否有键按下,并确定该键的标识号。 |
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