Online Test:
- Total 12 questions.
- 10 MCQs on OS, Data structures and DBMS.
- 2 coding questions.
Round 1: Coding 1 hour
He gave his introduction and then asked me for mine. Started with OS questions.
- What is a kernel?
- Difference between android OS and windows OS.
- Explain to me some concepts of OS. He was not being specific hence I explained scheduling, deadlocks, and synchronisation.
- He then asked if I could write a pseudo code and explain any one of the above concepts.
- Asked to explain threads. Difference between processes and threads.
- Asked me if threads are so beneficial then why do we need processes?
Then he jumped to a coding question.
An image is given to me which can consist of 8 different colours denoted by 1 to 8. Each cell has a colour. I must print the colour which is occupying the most continuous area in the image.
- Once I was done with the code, he asked me to run it and wanted an explanation for the same.
- Do you have any questions for me?
Round 2: Technical and Coding 45 mins.
- He asked me for my introduction.
- I had 3 projects on my resume.
- He asked about all 3 but mostly questions were asked about my IoT project.
- Challenges you faced.
- Is there any flaw in my project and how can it be improved?
- Can it be scaled and launched right now?
- Then he gave me a coding question.
- It was the longest palindromic substring.
- I did the code then ran and gave an explanation to which he was satisfied.
- Then he said so the location is Hyderabad are you okay with coming to Hyderabad?
- Then he asked if I have any questions for him.
I asked about his role in the organization and then I got to know that he is the fourth founding member of OPPO R&D India.