• When I said in Week One that you don't actually have zeros and ones inside this header file; right?

    在第一周我说过的,我们在这个头文件中,是没有二进制的,是吗?

    哈佛公开课 - 计算机科学课程节选

  • And so this, in fact, when you say your computer stores information as zeros and ones, A you've just typed the capital letter A, that's all that's going on inside.

    事实上,当你说电脑以这些0与1进行信息存储时,你已经键入了大写字母,那就是在计算机内部发生的过程。

    哈佛公开课 - 计算机科学课程节选

  • But what's interesting is when they're actually there, essentially, if this is a magnetic particle, 1 you can actually represent zeros and ones pretty easily.

    有意思的是当它们分布在那里,如果这是一个磁性粒子,你能很容易的用它代表0或者。

    哈佛公开课 - 计算机科学课程节选

  • But in hard drives where we actually have these moving platters, here is in fact, how we get from electricity and magnetism to those zeros and ones.

    但是在传统硬盘中我们确实有高速运转的磁盘,这就是事实,但问题是我们如何,把电磁信号转化为0和1的。

    哈佛公开课 - 计算机科学课程节选

  • So, how do you go from just numbers, zeros and ones to actually useful information?

    那么,你该怎样由这些数字0和,1来表述有用信息?

    哈佛公开课 - 计算机科学课程节选

  • Text is where the zeros and ones that compose your file are actually stored.

    文本是那些二进制,构成的存储文件。

    哈佛公开课 - 计算机科学课程节选

  • The so called binary system, 1 these zeros and ones that you'd probably have some vague sense underlie all computers today actually reduced to the exact same grade school kind of math and system except with computers, 1 because it's a lot easier to use just two digits, zero and one.

    所谓的二进制就是,你觉得模糊的0与,在电脑上计算,事实上可以简化为跟小学数学一样,只是在电脑上计算而已,因为它更容易,仅仅使用两个数字,0与。

    哈佛公开课 - 计算机科学课程节选

  • The bits, the zeros and ones that compose the library are actually - in that file called cs50.c but those bits live or-- even that's a white lie.

    这些构成该库的比特--0啊1啊,却是在cs50,c文件里,这些源代码-,可以说是根本不存在。

    哈佛公开课 - 计算机科学课程节选

  • > But if you actually do the math, those zeros and ones translate to an ASCII character which is D which is gonna be a 65, 66, 67, 68 would be the letter D.

    >,你们自己算算看,把这些0和1转换成D对应的ASCII码,那么就是,65,66,67,68,对,68对应于“D“

    哈佛公开课 - 计算机科学课程节选

  • D-A-V-I-D So when you get a string like D-A-V-I-D, what's really happening is inside your computer's RAM is going a byte where there's some zeros and ones.

    譬如你有这么一个字符串,而在你电脑的RAM里将会变成,一个个由0和1组成的字节。

    哈佛公开课 - 计算机科学课程节选

  • But the take away for now is that if you don't clue -lcs50, -- you get some mention -- some error message -- about "undefined symbol," and that should be your clue that, "Oh it's undefined in that I haven't told the compiler that I want to link in these zeros and ones."

    但现在如果你删除“-lcs50“,你们会得到一些提示--一些错误信息-,像“未定义的符号“,这可以为你提过线索,“这个没有被定义,我没有告诉编译器,把想把这个与“1“和“0“建立连接,“

    哈佛公开课 - 计算机科学课程节选

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