PERSISTENT INTERVIEW EXPERIENCE (ON-CAMPUS 2020)

ROUND 1-ONLINE MCQ ROUND-:

This eliminating round had 3 sections for 50 minutes. First section was Logical Aptitude.It had to be solved in roughly 10-15 minutes. Then second section was CS Fundamentals. It had to be solved in 10-15 minutes. The third section was English. It was an easy section containing passages,sentence completion, and error correction. This was for 15-20 minutes.

In the next 30 minutes, two codes were given

1)Kth smallest element in an array-

https://www.geeksforgeeks.org/kth-smallestlargest-element-unsorted-array/

2)An array was given and value K was given, Array was to be sorted in increasing order from 0-K-1 and rest were to be sorted in decreasing order.

ROUND 2-ADVANCE CODING ROUND-:

Top 10-15 students were selected for this round, I was one of them.T he students who cleared this round could appear for the higher package while others became eligible for the lower package.

There were 2 coding questions which were of medium level difficulty. I couldn't solve both. So I became eligible for the base package. Students who could solve both the questions became eligible for the higher package.

ROUND 3-TECHNICAL INTERVIEW 1-:

It started with a formal introduction of me along with the projects which I had written on the Resume.Then he asked questions related to OS,DBMS and OOP concepts.Some of them were-

1)What is OS? What is the need for OS?

2) What are the types of OS?

3)What is deadlock? How to avoid it?

4)Difference between C and CPP

5)What is a scheduler?

6)What is JVM?

ROUND 4-TECHNICAL INTERVIEW 2-:

It started with formal introduction and later projects,technologies used in the project.Then he gave me 2 codes out of which one code was-

Maximum area histogram-

https://www.geeksforgeeks.org/largest-rectangle-under-histogram/

The other code was something related to a graph which I don’t remember.

Then he asked general OS questions related to deadlock, avoidance of deadlock.

ROUND 5-HR INTERVIEW :

This round was a formality. It lasted for 10 minutes. The interviewee asked the below questions-:

1)Tell me about yourself

2)what are the certifications which you achieved in your engineering years?

3)What are the extra-co curricular activities in which did you participate?

4)Which domain do you like to work in?(like ML/Front End)

Finally, 4 students were selected and I was one of them.

Commonly asked Interview Question :

Implement a Heap Sort algorithm with Min-Heap & Max-Heap concepts

• What are exceptions in Java
• What are strings in Java
• What are the ACID properties in database?
• what is Normalization in database?
• How to add elements before and after in linked lists?
• Write a program to check if a given number is prime or not
• How will you explain the TCP/IP model 

*Due to privacy reasons these questions are not as it is, but very similar.