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MCQ

In a circular queue the value of r will be ..

r=r+1

r=(r+1)% [QUEUE_SIZE

r=(r+1)% QUEUE_SIZE

r=(r-1)% QUEUE_SIZE

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A data structure where elements can be added or removed at either end but not in the middle is called

linked lists

stacks

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dequeue

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What are the applications of dequeue?

A-Steal job scheduling algorithm

Can be used as both stack and queue

To find the maximum of all sub arrays of size k

All of the mentioned

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What is a dequeue?

A queue with insert/delete defined for both front and rear ends of the queue

A queue implemented with a doubly linked list

A queue implemented with both singly and doubly linked lists

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Insertion

Deletion

Retrieval

Traversal

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What is the functionality of the following piece of code?

public void function(Object item)
{
	Node temp=new Node(item,trail);
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		head.setNext(temp);
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Insert at the front end of the dequeue

Insert at the rear end of the dequeue

Fetch the element at the rear end of the dequeue

Fetch the element at the front end of the dequeue

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Abstract data types

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Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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