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  2. Queue (abstract data type) - Wikipedia

    en.wikipedia.org/wiki/Queue_(abstract_data_type)

    The operation of adding an element to the rear of the queue is known as enqueue, and the operation of removing an element from the front is known as dequeue. Other operations may also be allowed, often including a peek or front operation that returns the value of the next element to be dequeued without dequeuing it.

  3. Double-ended queue - Wikipedia

    en.wikipedia.org/wiki/Double-ended_queue

    Deque is sometimes written dequeue, but this use is generally deprecated in technical literature or technical writing because dequeue is also a verb meaning "to remove from a queue". Nevertheless, several libraries and some writers, such as Aho, Hopcroft, and Ullman in their textbook Data Structures and Algorithms, spell it dequeue.

  4. FIFO (computing and electronics) - Wikipedia

    en.wikipedia.org/wiki/FIFO_(computing_and...

    Representation of a FIFO queue with enqueue and dequeue operations. Depending on the application, a FIFO could be implemented as a hardware shift register, or using different memory structures, typically a circular buffer or a kind of list. For information on the abstract data structure, see Queue (data structure).

  5. Circular buffer - Wikipedia

    en.wikipedia.org/wiki/Circular_buffer

    Circular buffering makes a good implementation strategy for a queue that has fixed maximum size. Should a maximum size be adopted for a queue, then a circular buffer is a completely ideal implementation; all queue operations are constant time. However, expanding a circular buffer requires shifting memory, which is comparatively costly.

  6. Data structure - Wikipedia

    en.wikipedia.org/wiki/Data_structure

    Queues have two main operations: enqueue (adds an element to the rear of the queue) and dequeue (removes an element from the front of the queue) that follow the First In, First Out (FIFO) principle. Trees represent a hierarchical organization of elements. A tree consists of nodes connected by edges, with one node being the root and all other ...

  7. Dequeue - Wikipedia

    en.wikipedia.org/wiki/Dequeue

    In computer science, the word dequeue can be used as: A verb meaning "to remove from a queue" An abbreviation for double-ended queue (more commonly, deque

  8. Calendar queue - Wikipedia

    en.wikipedia.org/wiki/Calendar_queue

    In calendar queue, enqueue (addition in a queue) and dequeue (deleting from a queue) of events in FEL is based on event time. Let the calendar queue with n buckets with w width. Then enqueue of an event with time t operates on bucket . And more than two events scheduled in the bucket according to the increased timestamp.

  9. Double-ended priority queue - Wikipedia

    en.wikipedia.org/wiki/Double-ended_priority_queue

    In computer science, a double-ended priority queue (DEPQ) [1] or double-ended heap [2] is a data structure similar to a priority queue or heap, but allows for efficient removal of both the maximum and minimum, according to some ordering on the keys (items) stored in the structure. Every element in a DEPQ has a priority or value.