This is useful especially when we get to details like forensics and looking at data on a hard drive, - 'cause if you don't know how much store-- how many bits are composing your file, you're never gonna recover that data or be able to access what you're looking for.

这是很有用的，尤其是在法庭上,查看硬盘驱动器里的数据时，如果你连-,文件有多少比特都不知道，你如何去恢复数据,获取你想要的信息呢。

哈佛公开课 - 计算机科学课程节选

So here is one of the interesting takeaways, a char, we've already spoiled this answer, takes up how many bits.

关于char还有一个重点：一个char占据多大内存，这个问题我们已经翻来覆去说了好多遍了。

哈佛公开课 - 计算机科学课程节选

char Here is the char, here is the char, how many bits did we say each of these squares is?

这是一个char，这是一个，那么这里的一个方框几比特呢？

哈佛公开课 - 计算机科学课程节选

So a char is one byte, which is bits -- how many?

所以char类型占了1个字节，--那是多少位？

哈佛公开课 - 计算机科学课程节选