NVIDIA Software Developer interview questions

The interview process went well. I was referred by a friend. I had 2 rounds. First was a simple round of resume review. Second round had simple tech questions. Both the interviewers said I did well.

There were four rounds : 1) Aptitude and Technical test 2) Technical Interview - I 3) Technical Interview - II 4) HR round 1) Aptitude and Technical Test : Questions based on a) C,Cpp - predict output ,type of error, pointers,OOPs concept b) Data structures- Sorting and Searching algorithms and their complexities,Stack,Queue,Trees ,Graph traversal c) OS- process,threads,semaphores,trashing ,problems on paging- FIFO,LRU,Optimal.deadlock d) Aptitude - Time and work , P and C , logical questions In technical rounds they asked questions on OS,Data Structures and OOPs concepts. They also asked me to write numerous codes in C language. Some Database questions were also asked .