translation.en: The CPU could do the four fundamental functions of arithmetic -- so addition, multiplication, subtraction, division -- which already is a bit of a feat in metal, but it could also do something that a computer does and a calculator doesn't: this machine could look at its own internal memory and make a decision.
translation.zh: CPU可以做4种基本的运算 加减乘除 这对于金属来说已经很不错了 不过它还可以做一些电脑能做的事情 但是计算器做不了的 这个机器可以通过内存的数据来做决定