[Solved] In FreeRTOS, what does preemptive scheduling mean? — Ans: A higher priority task can interrupt a lower priority task immediately | FreeRTOS

FreeRTOS - Task Scheduling

In FreeRTOS, what does preemptive scheduling mean?

AA higher priority task can interrupt a lower priority task immediately

BTasks run in the order they were created regardless of priority

CTasks run only when the current task finishes

DTasks share CPU time equally without priority consideration

Step-by-Step Solution

Solution:

Step 1: Understand preemptive scheduling concept
Preemptive scheduling allows a higher priority task to interrupt a lower priority task immediately when it becomes ready.
Step 2: Compare options with definition
Only a higher priority task can interrupt a lower priority task immediately describes this behavior correctly; others describe non-preemptive or incorrect scheduling.
Final Answer:
A higher priority task can interrupt a lower priority task immediately -> Option A
Quick Check:
Preemptive scheduling = Higher priority interrupts lower [OK]

Quick Trick: Higher priority tasks interrupt lower ones immediately [OK]

Common Mistakes:

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