Question

Which of the given options is a generalized queue abstract data type?
Double Ended Queue
Circular Queue
Priority Queue(heap)
Single Ended Queue

Answer 1

Answer:

Priority Queue(heap)

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Answer 2

Option c) Priority Queue(heap)

Priority Queue(heap) is a generalized queue abstract data type.

• A generalisation of the queue, priority queues are a kind of abstract data type. They operate on the exact same principles, with the exception that each value in the queue has a priority. A priority is given to a value when it is added. Always remove the value with the highest priority first.
• You can store and retrieve data in many ways using stacks and queues, two forms of abstract data types. While Queues use a first-in, first-out (FIFO) method, Stacks use a last-in, first-out (LIFO) mechanism (FIFO).
• A queue extension called a priority queue has the following characteristics: There is a priority assigned to each item. A high priority element is removed from the queue before a low priority element. Two components are handled in the order they are in the queue if they have the same priority.
• To implement the priority queue, we can use heaps. The time required to insert and remove each piece from the priority queue will be O(log N). Priority queues come in two varieties: max- priority queue and min- priority queue, both of which are based on heap structures.
• Priority queues are an abstract data type, and the heap is one extremely effective way to implement them. Priority queues are frequently referred to as "heaps," regardless of how they are implemented. The element with the highest (or lowest) priority is always kept at the root of a heap.

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