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What is RTOS?

Subject : Embedded Systems Design

Topic : Embedded Software, Firmware Concepts and Design

Difficulty level : Medium

1 Answer
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RTOS is a multitasking operating system for applications that need meeting of time deadlines and functioning in real time constraints.

Features:

  • Timeliness- OS has to provide mechanisms for time management and handling tasks with explicit time constraints.
  • Predictability- It means to guarantee advanced deadline satisfaction and to notify when deadline cannot be reached.
  • Fault tolerance- Hardware or software failures do not cause a crash.
  • Design for peak load- All scenarios must be considered.
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