And when you actually wanna store information on disk, can you actually use, as we'll see in a moment, magnetic particles.

当你想在硬盘中存储信息时，我们将会用到后面，我们会谈论的一种称之为磁性粒子来实现它。

哈佛公开课 - 计算机科学课程节选

It's roughly the same size physically as those floppy disks and yet how many, how much, how many bytes fit on a typical hard drive today?

从物理大小上来说几乎相同,那么现在的硬盘的存储大小,一般有多少字节呢？

哈佛公开课 - 计算机科学课程节选

RAM You probably know your computer has something called RAM which is where documents and programs live just temporarily while you're running them 'cause RAM tends to be pretty fast and whereas your hard disk is where programs and files live permanently.

也许你知道电脑有一个,正在使用的程序和文件都暂时存放在那里,而且会加快电脑速度,而硬盘是程序和文件,永久存储的地方。

哈佛公开课 - 计算机科学课程节选

This is different from the hard disk, which is where files and stuff are permanently stored.

这个和硬盘是不一样的，那是存储,文件之类的东西的。

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To do that the data travels from RAM along with software signals that tell the hard drive how to store that data.

为了能让数据从RAM中,到硬盘是要使用软件信号告诉硬盘,如何存储这些数据。

哈佛公开课 - 计算机科学课程节选

The hard drive is where your PC stores most of its permanent data.

硬盘是你的PC存储永久数据的地方。

哈佛公开课 - 计算机科学课程节选