And it's the 0s and 1s, that notice they're in patterns of 8 generally or chunks of 8, the so called byte that the actual CPU understands.

也就是一些0啊，1啊，请大家注意,这些数字每8个挨一块，这就是所谓的字节,实际CPU能够处理的东西。

哈佛公开课 - 计算机科学课程节选