本文主要讲述十进制计算机的运算原理。

This text has told operation principle of the decimal system computer mainly.

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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。

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

《牛津词典》

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。

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

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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