A Complete Collection of 100000 Whys
Fav十万个为什么
为什么键盘F/J键有凸起？
简单的摘要：键盘F/J键有凸起的原因主要是帮助手指定位、提高盲打效率以及减少打字错误。
1、帮助手指定位：F和J键上的凸起设计是为了让打字者在盲打时，通过触觉快速找到左手食指和右手食指的基准位置，从而准确放置手指。
2、提高盲打效率：这种设计使打字者无需低头查看键盘，就能保持正确的手指位置，显著提高打字速度和效率。
3、减少打字错误：通过凸起标记，打字者可以更稳定地控制手指移动，减少因手指错位导致的打字错误，尤其是在高速输入时。
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