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In a FreeRTOS soft real-time system, what is the likely effect if a low priority task occasionally misses its deadline?

medium📝 Predict Output Q5 of 15
FreeRTOS - RTOS Fundamentals
In a FreeRTOS soft real-time system, what is the likely effect if a low priority task occasionally misses its deadline?
ASystem crashes immediately
BHigh priority tasks stop running
CMinor performance degradation without failure
DAll tasks are suspended
Step-by-Step Solution
Solution:

  1. Step 1: Recall soft real-time tolerance

    Soft real-time systems tolerate occasional deadline misses without critical failure.

  2. Step 2: Match effect to options

    Minor performance degradation without failure describes minor impact, consistent with soft real-time behavior.

  3. Final Answer:

    Minor performance degradation without failure -> Option C

  4. Quick Check:

    Soft real-time tolerates deadline misses [OK]
Quick Trick: Soft real-time tolerates some deadline misses [OK]
Common Mistakes:
  • Confusing deadline misses with system crash
  • Assuming all tasks stop on deadline miss

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