Data Structure Quiz 1

Question 1

Time: 00:00:00
What is the worst case time complexity to sort an array which contains only three values 3,4 and 5 ?

O(nlogn)

O(nlogn)

O(n)

O(n)

O(n^{2})

O(n^{2})

O(1)

O(1)

Question 2

Time: 00:00:00
What is the worst case time complexity to find if there is any duplicate element or not if the values of the element is less than the 2*n where n is the size of the array.?

O(1)

O(1)

O(n)

O(n)

O(nlogn)

O(nlogn)

O(n^{2})

O(n^{2})

Question 3

Time: 00:00:00
In breadth first search of graph , which data structure is used.?

Stack

Stack

Queue

Queue

Array

Array

Linked list

Linked list

Question 4

Time: 00:00:00
If the numbers 4,3,2,1 are placed in a queue(in that order) and then removed one at a time. In what order they will be removed ?

1,2,3,4

1,2,3,4

4,3,2,1

4,3,2,1

1,2,4,3

1,2,4,3

4,3,1,2

4,3,1,2

Question 5

Time: 00:00:00
Suppose the numbers 1,2,3,4,5 and 6 arrive in an input stream in that order. Which of the following sequences can be realized as the output of a double ended queue ?
I)1 2 3 4 5 6
II)2 4 3 6 5 1
III)6 5 4 3 2 1
IV)1 5 2 4 3 6

I only

I only

I , II, III and IV

I , II, III and IV

II and IV only

II and IV only

I , III only

I , III only

Question 6

Time: 00:00:00
In an empty queue, rear and front can be initialized as

Rear = front = -1

Rear = front = -1

Rear = front = 1

Rear = front = 1

Rear = 0 and front = -1

Rear = 0 and front = -1

Rear = -1 and front = 0

Rear = -1 and front = 0

Question 7

Time: 00:00:00
Which type of list is used if we can concatenate two list in O(1) time ?

Singly linked list

Singly linked list

Doubly linked list

Doubly linked list

Circular doubly linked list

Circular doubly linked list

Array implementation of list

Array implementation of list

Question 8

Time: 00:00:00
Which data structure satisfies the following characteristics ?

  • Items are retrieved and removed from the collection in FIFO order


  • There is no prior limit on the number of items in the collection.


  • The size of an item is large relative to the storage required for a memory address.




Singly linked list with head and tail pointers

Singly linked list with head and tail pointers

Doubly linked list with only head pointer

Doubly linked list with only head pointer

Binary tree

Binary tree

Hash table

Hash table

Question 9

Time: 00:00:00
If we have a single pointer to a node and there is no pointer to head then is it possible to delete that node ?

Possible if size of linked list is even

Possible if size of linked list is even

Possible if size of linked list is odd

Possible if size of linked list is odd

Possible if x is not first node

Possible if x is not first node

Possible if x is not last node

Possible if x is not last node

Question 10

Time: 00:00:00
How much pointer is modified when we insert a record in a circular linked list ?

No pointer

No pointer

1 pointer

1 pointer

2 pointer

2 pointer

3 pointer

3 pointer

null
null
×

Please login to report

Personalized Analytics only Availble for Logged in users

Analytics below shows your performance in various Mocks on PrepInsta

Your average Analytics for this Quiz

Rank

-

Percentile

0%

Start Preparing
Detailed performance

Get over 200+ Courses under One Subscription

Get Prime Course List
mute
Limitless Learning

One Subscription access everything

Job Assistance

Get Access to PrepInsta Prime

Top Faculty

from FAANG/IITs/TOP MNC's

Get Prime

Don’t settle Learn from the Best with PrepInsta Prime Subscription

manish-prepinsta

Manish Agarwal

Ex- Accenture

Trained 3.2L+ students

Rushikesh-prepinsta

Rushikesh Konapure

Data Science & Full Stack Mentor

Trained 35k+ students

atulya-prepinsta

Atulya Kaushik

Ex- Google & Instamojo

Trained 3.2L+ students

Aashay-prepinsta

Aashay Mishra

Ex- Sapient

Trained 83k+ students

Janvi-prepinsta

Janvi Jain

Lead Verbal Mentor

Trained 46k+ students

Learn from Top 1%
Get Prime
prepinsta
prepinsta
prepinsta
prepinsta

One Subscription, For Everything

The new cool way of learning and upskilling -

Limitless Learning

One Subscription access everything

Job Assistance

Get Access to PrepInsta Prime

Top Faculty

from FAANG/IITs/TOP MNC's

Get Prime →

Get over 200+ course One Subscription

Courses like AI/ML, Cloud Computing, Ethical Hacking, C, C++, Java, Python, DSA (All Languages), Competitive Coding (All Languages), TCS, Infosys, Wipro, Amazon, DBMS, SQL and others.

Get Prime Course List
Get Prime Course List

May 7, 2021