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

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。

哈佛公开课 - 计算机科学课程节选

A patterned series of these tiny charged berries on the disk represents a single bit of data in the binary number system used by computers.

这些在磁盘上的有序的小粒子,代表这个当代计算机中,二进制中单独的一位。

哈佛公开课 - 计算机科学课程节选

Key to the device is what's missing: Instead of the optical drive built into most other portable devices, the MacBook Air can wirelessly borrow another device's optical drive, so that it can access software or data stored on a disk.

FORBES: Magazine Article

Figure 2 in the accompanying power point file shows historical storage areal density (AD) growth for HDDs (this is directly related to the amount of digital storage that can be put on a disk in a hard disk drive) from Q1 2000 through Q1 2011.

FORBES: Why Government Regulators Should Approve Hard Disk Drive Company Consolidation

So his firm, SoftWide, devised a kiosk-based system that can store thousands of pieces of software on a hard disk, burning a disk only when a customer wants to buy a particular title.

ECONOMIST: MONITOR