Next the design of embedded real - time operating system used in data acquisition device is discussed . the development of the architecture of operating system is presented . the conclusion that the new technical orientation of embedded operating system is the component - based , scalable operating system is given 其次讨论了数据采集装置中使用的嵌入式实时操作系统的设计,通过回顾操作系统的体系结构的发展,指出基于组件的、高度可配置的操作系统是嵌入式操作系统的发展方向,讨论了嵌入式实时操作系统各种功能的实现方法。