The computer performs calculations in binary and converts the results to decimal.

计算机以二进制数进行计算，而后把计算结果转换为十进制数。

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All this playing around with binary numbers has made him wonder why binary time—or, for that matter, decimal time—never caught on in the Western world.

通过摆弄这些二进制数，他不禁发出疑问：二进制时间——或者说，十进制时间——为什么从未在西方世界流行开来。

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Floating point is a very similar concept, except that computers use binary rather than decimal as their base.

浮点是一个非常类似的概念，除了计算机使用二进制而不是十进制作为基础。

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Well, if we actually want to represent something like the number 7, well in binary, not actually in decimal like this.

如果你表达,类似于7的数字，在二进制中，它和十进制可不太一样。

哈佛公开课 - 计算机科学课程节选

Seventy-nine. In fact, if you add up each of these numbers, 9 you should get the decimal number 79 79 from this binary number here.

9，事实上，如果你把这些数字累加，你应该能从这些二进制中9,得到十进制数。

哈佛公开课 - 计算机科学课程节选

But at the end of the day, and here's why we just went with binary and not decimal years ago, when you have one implement a computer with a physical device, it's actually really easy to represent the notion of on or off.

但是最终，之前我们采用二进制,而不是十进制，主要是因为当我们用一台实体机器运行计算机时，这实际上很容易用开或者关的概念来表示。

哈佛公开课 - 计算机科学课程节选