本课程将介绍什麽是作业系统？ 作业系统做什麽工作？
The teaching goal of this course is to introduce what operating systems are, what operating systems do, and how operating systems are designed and constructed.
音效卡混音器是一个软体，可能是由音效卡制造公司提供，或者是作业系统会提供。
The sound card mixer is a piece of software either provided by the sound card maker, or by the operating system you're using.
这些尝试使用的是作业系统与实作专属的二进位资料格式，而不是XML为基础的合约。
Rather than using the XML-based contract that is the basis for Web services, they used binary data formats that are both operating system specific and implementation specific.
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