You just need to come up with a convention that maps the numbers that are very easy for a computer to store.

你只需要提出一个使之与数字对应的协定,那样计算机就可以方便地存储它们。

哈佛公开课 - 计算机科学课程节选

Here I actually need to tell the computer, "Give me some bytes in ram in which to store a value, and that value's going to be a floating point value."

这里我的确需要告诉计算机，“给我一些字节内存,来存储一个值，那个值将是,浮点型的数值“

哈佛公开课 - 计算机科学课程节选