Well, if you're implementing a computer that needs to represent information now all you need is something like electricity which can be on or off, on or off.
好吧,如果你正用一个电脑,来表现表达传递信息的功能,你就需要,像电开关一样的物体。
哈佛公开课 - 计算机科学课程节选
应用推荐
模块上移
模块下移
不移动