linux系统输入设备繁多，例如按键、键盘、触摸屏、鼠标。这些输入设备都属于字符设备。不过这些输入设备不同类型，不同原理，不同的输入输出信息。那么是如何统一这些输入设备的呢？ 答案：linux中将所有的输入设备抽象出input子系统这套软件体系，提供了 ...

Every five years since 1960, the Ministry of Economy, Trade and Industry has carried out a joint project through its Research and Statistics Department with prefectural Bureaus of Economy, Trade and ...

As we glide our fingers over the screens of our smartphones and tablets, or chatter to our computer instead of typing at it, it is easy to forget how far input devices have evolved since the first ...