So that means if you-- whether you own a Mac, PC or whatever, you have a whole chunk of RAM memory which you can draw for instance as a rectangle, if you can't quite see.

也就是说，无论你的电脑是Mac也好，PC也好或其他什么的，你会有厚厚一块RAM存储器,我们可以把它画成长方形，你们有可能看不到。

计算机科学课程节选 : 哈佛公开课