Dell Technologies interview questions

Interview had 3 rounds .The first round was the online Assessment,it consisted of MCQs on computer fundamentals and 2 coding questions on DSA whose level was easy to medium.Second round was interview which started with tell me about yourself and followed By a dsa question on recursion and then they asked me which was my favourite subject and I said OS and they asked questions on scheduling algorithms and then they asked me to explain about linked list, it was followed by puzzles and then they asked if I had any questions. 3rd round was HR round but unfortunately I was not selected to that round