[Solved] Consider this FreeRTOS task priority setup: Task A priority = 3 Task B priority = 2 Task C priority = 1 If Task A blocks for 100ms using vTaskDelay(), which task runs next? | FreeRTOS

FreeRTOS - RTOS Fundamentals

Consider this FreeRTOS task priority setup:

Task A priority = 3
Task B priority = 2
Task C priority = 1

If Task A blocks for 100ms using vTaskDelay(), which task runs next?

ATask A again immediately

BTask B

CTask C

DNo task runs until Task A finishes delay

Step-by-Step Solution

Solution:

Step 1: Understand task priorities and blocking
Task A has highest priority (3) but blocks for 100ms, so it is not ready.
Step 2: Identify next highest priority ready task
Task B has priority 2 and is ready, so it runs next.
Final Answer:
Task B -> Option B
Quick Check:
Next task after blocking = highest ready priority [OK]

Quick Trick: Next runs highest priority ready task after delay [OK]

Common Mistakes:

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