Quiz-1

June 23, 2019

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Question 1

Time: 00:00:00
Minimum number of queues needed to implement the priority queue?

One

One

Two

Two

Three

Three

Four

Four

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Question 2

Time: 00:00:00
What is the type of the algorithm used in solving the 8 Queens problem?

Backtracking

Backtracking

Recursive

Recursive

Greedy

Greedy

None of these

None of these

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Question 3

Time: 00:00:00
What are the applications of binary tree?

Data Processing.

Data Processing.

Data manipulation

Data manipulation

Data Structure

Data Structure

Cant say

Cant say

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Question 4

Time: 00:00:00
Consider the following definition in c programming language







struct node

{

    int data;

    struct node * next;

}

typedef struct node NODE;

NODE *ptr;



Which of the following c code is used to create new node?







ptr = (NODE*)malloc(sizeof(NODE));

ptr = (NODE*)malloc(sizeof(NODE));

ptr = (NODE*)malloc(NODE);

ptr = (NODE*)malloc(NODE);

ptr = (NODE*)malloc(sizeof(NODE*));

ptr = (NODE*)malloc(sizeof(NODE*));

ptr = (NODE)malloc(sizeof(NODE));

ptr = (NODE)malloc(sizeof(NODE));

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Question 5

Time: 00:00:00
Which of the following properties is associated with a queue?

Last In First Out

Last In First Out

First In Last Out

First In Last Out

First In First Out

First In First Out

None of these

None of these

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Question 6

Time: 00:00:00
What does the following piece of code do?







public Object function()

{

	if(isEmpty())

	return -999;

	else

	{

		Object high;

		high = q[front];

		return high;

	}

}







Dequeue

Dequeue

Enqueue

Enqueue

Return the front element

Return the front element

None of the mentioned

None of the mentioned

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Question 7

Time: 00:00:00
In a circular queue, how do you increment the rear end of the queue?

rear++

rear++

(rear+1) % CAPACITY

(rear+1) % CAPACITY

(rear % CAPACITY)+1

(rear % CAPACITY)+1

rear–

rear–

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Question 8

Time: 00:00:00
What is the term for inserting into a full queue known as?

Nullpointer flow

Nullpointer flow

Underflow

Underflow

Overflow

Overflow

None of these

None of these

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Question 9

Time: 00:00:00
What would be the solution to the given prefix notation?

- + 5 / 10 5 5

2

2

5

5

10

10

11

11

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Question 10

Time: 00:00:00
What is the time complexity of enqueue operation?

O(logn)

O(logn)

O(nlogn)

O(nlogn)

O(n)

O(n)

O(1)

O(1)

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["0","40","60","80","100"]
["Need more practice!","Keep trying!","Not bad!","Good work!","Perfect!"]
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