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A queue is a fundamental data structure based on the principle of First-In-First-Out (FIFO). Elements are added to the rear and removed from the front.
Follows FIFO (First-In-First-Out) principle.
Insertion (enqueue) at the rear, deletion (dequeue) from the front.
Maintains order based on arrival time.
Suitable for tasks requiring sequential processing.
Queues guarantee fair processing by handling elements in the order they arrive.