Generally, a computer system is comprised of different "sub" systems so a programmer needs to have some design or top-down thinking skills to see the program from the larger picture.
总的来说，一个计算机系统是由不同的“子系统”组成的，因此程序员需要掌握一些设计技巧或者自上而下的思维方法，这样才能从整体上把握全局。
In this option there is only a single application (i.e. computer program), in which various components are integrated as sub-programs as shown schematically in the Figure 5 below.
该选项只有一个应用程序(即，计算机程序)，其中各种组件被整合成一个子程序，示意图见图5。
Data is organized in a number of categories - Sales, Security, Computer, Internet, Communication, Financial Management, Training, etc. -, each category being further organized in sub-categories.
同时还数据对进行了分门别类的管理，类别有销售、安全、计算机、因特网、通信、金融管理和培训等，每个分类又有进一步的子分类。
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