Step 1: Understand what a priority queue is. A priority queue is a special type of data structure that stores items with different priorities.
Step 2: Learn that in a priority queue, items with higher priority are processed before items with lower priority.
Step 3: Think about scheduling systems, like those used in operating systems or task managers, where tasks need to be completed based on their importance.
Step 4: Realize that in these systems, a priority queue helps to organize tasks so that the most important ones are handled first.
Step 5: Conclude that a common application of a priority queue is in scheduling tasks based on their priority.
