A business process has related business items (data) that flow through it, including those used as the process 'input and output.

业务流程具有贯穿其中的相关业务项目(数据)，包括作为流程的输入和输出使用的项目。

youdao

So you have to somehow convert the source code, the C code into 0s and 1s and for that process there exist this tool called a compiler that someone else wrote that takes this stuff as input and produces this stuff as output.

所以你必须把源代码，即C语言代码转换成二进制文件,这个过程就需要我们提到的编译器了,它是由别人编写的一个软件，以这些代码作为输入,将会产生的输出。

哈佛公开课 - 计算机科学课程节选

Any and every process, however owned or managed, where the output is valued more highly than the input makes the society richer.

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