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

First of all, we don't have tapes anymore in computers and even if we did, you don't want to be programming at that level.

首先，我们不再在计算机里面用磁盘了,即使我们用，你不会想在这个阶段上编程。

麻省理工公开课 - 计算机科学及编程导论课程节选