Embedded Software Engineer Question:
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Suppose you buy some RTOS, what are the features you look for in?

Answer:

☛ Deterministic operating system having guaranteed worst-case interrupt latency and context-switch times.
☛ Documentation providing for the minimum, average, and maximum number of clock cycles required by each system call.
☛ Interrupt response times should be very minute.
☛ Context switch time should be very low.
☛ Compatibility with several plugin devices.
☛ Overall it should be very reliable.

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