Differences between stack and queue data structure

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Stack and queue both are data structure to store data in particular order.

Stack is linear data structure in which objects are inserted or removed at the same end. Therefore, it is visualized as vertical collection. That is the reason why stack is called Last-in-First-out (LIFO) type of list.

Queue is also a linear data  structure in which objects are inserted and removed from two different ends.Queue used two pointers to read and write data from both ends. It is a horizontal collection.

Sr. No.	Key	Stack	Queue
1	Basic	Stack is linear data structure in which objects are inserted or removed at the same end	Queue is also a linear data  structure in which objects are inserted and removed from two different ends
2	LIFO/FIFO	It is LIFO collections	It is FIFO collection
3	Pointers	It has only one pointer	Queue used two pointers to read and write data from both ends
4.	Operations	Push and Pop are the operations	Queue operations are enqueue and dequeue

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