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。

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When you're working on a file, it's saving constantly to RAM but also hopefully to disc, the hard disk so you don't actually lose it if the power goes off.

当你打开一个文件，它不断地保存在内存中,但对于光盘，硬盘,当你断开电源的时候，数据不会丢失。

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The bits are still there, much like bits are still left when you erase a file on your hard disk but they're forgotten about.

二进制数还在那里，就像你在硬盘上删除一个文件,二进制还在那里,但是它们被遗忘了。

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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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How do you get data off the hard disk?

那怎样从磁盘中得到数据？

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Good question, so what happens when you format a floppy disk or format a hard drive?

好问题，当你格式化一个软盘,或者硬盘时会发生什么呢？

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