c) Tree On this Queue section of page you will find the easiest quickest ways to solve a question, formulas, shortcuts and tips and tricks to solve various easiest methods to solve Queue Question Quickly. d) Linear tree d) Priority queue Now, deque can be used to implement a stack and queue. c) DCAB b) DCBA The process to add an element into queue is called Enqueue and the process of removal of an element from queue is called "Dequeue". c) Front = rear + 1 A linear list of elements in which deletion can be done from one end (front) and insertion can take place only at the other end (rear) is known as _____________ Most queue implementations are in one of three flavors: slice-based, linked list-based, and circular-buffer (ring-buffer) based. d) Priority queue c) Queue c) Dequeue The following diagram given below tries to explain queue representation as data structure − As in stacks, a queue can also be implemented using Arrays, Linked-lists, Pointers and Structures. b) Array Join our social networks below and stay updated with latest contests, videos, internships and jobs! c) Rectangle Buffer A double ended priority queue supports operations of both max heap (a max priority queue) and min heap (a min priority queue). View Answer, 8. The doubly ended queue or dequeue allows the insert and delete operations from both ends (front and rear) of the queue. Data inserted first, will leave the queue first i.e. One simply needs to understand how deque can made to work as a stack or a queue. a) Simulation of recursion c) Circular queue View Answer, 2. The following operations are expected from double ended priority queue. a) Stack Its Mock Test provides a deep competitive analysis of your performance and points out your weak and strong areas, through intuitive graphical reports, which helps you to improve your skill. The process to add an element into queue is called Enqueue and the process of removal of an element from queue is called "Dequeue". Data inserted first, will leave the queue first i.e. b) Stack Every element in a DEPQ has a priority or value. View Answer, 7. d) ABDC Double Ended Queue is also a Queue data structure in which the insertion and deletion operations are performed at both the ends (front and rear).That means, we can insert at both front and rear positions and can delete from both front and rear positions. This set of Data Structure Multiple Choice Questions & Answers (MCQs) focuses on “Queue Operations”. d) Simulation of heap sort b) Front = (rear + 1)mod MAX_SIZE View Answer. View Answer, 3. A queue follows __________ c) Ordered array The data structure required for Breadth First Traversal on a graph is? a) FIFO (First In First Out) principle FIFO(First-in-First-Out). Explanation: To practice all areas of Data Structure, here is complete set of 1000+ Multiple Choice Questions and Answers. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. View Answer, 4. Double ended priority queue Last Updated: 20-05-2019. Also, slice based queues tend to only be single-ended. Doubly Ended Queue (Dequeue) Image Source. The functions of deque to tweak them to work as stack and queue are list below. So, single ended queue is not the type of queue. In computer science, a double-ended priority queue (DEPQ) or double-ended heap 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. c) Simulation of limited resource allocation If the elements “A”, “B”, “C” and “D” are placed in a queue and are deleted one at a time, in what order will they be removed? 1. a) Ordinary queue It contains all the Data Structures topic Queue questions which are common in any of the preliminary exams of any company. d) Linked list View Answer, 5. FIFO(First-in-First-Out). © 2011-2020 Sanfoundry. Slice-based queues tend to waste memory because they do not reuse the memory previously occupied by removed items. a) ABCD Explanation: Queue always has two ends.