One of the most important issues with embedded systems is the need for a real-time operating system.

有关嵌入式系统最重要的事务之一就是要求有一个实时操作系统。

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Real-Time Operating System. An operating system designed specifically for use in real-time systems.

实时操作系统。一种被特殊设计来用在实时系统中的操作系统。

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QNX gives RIM a strategic advantage as a high performance and highly adaptable real-time operating system.

QNX为RIM提供了一个高性能和高适应性的实时操作系统。

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The first three are still operating, showing the correct time.

VOA: special.2010.07.14

So the interpreter is simply operating directly on your code at run time.

因此解释器在运行程序的时候,会直接的对你的代码进行操作。

麻省理工公开课 - 计算机科学及编程导论课程节选

No because they are not microkernel based real time operating system with fault tolorent.

FORBES: Connect

Because there is no such thing as malware for QNX real time operating system.

FORBES: Connect

When she finally quits full-time operating, the true decisiveness she shows is that of choosing life over surgery.

ECONOMIST: A surgeon's life