Siemens Software Developer interview questions

There were two rounds of online tests. One, based on C/C++ & computer concepts. The other based on Data Interpretation and Quant. Time was the key in second round. The shortlisted students were called for interviews next day. The first round was simple C++ algorithms and some small snippets. e.g.: WAP to print all prime no.s till a given number. It was asked to make it more and more efficient. Second round mainly focused on conceptual questions, based on OS. Very basic questions: Fragmentation, Paging, Deadlock etc. Last round was HR. Typical HR questions. Future plans, What will you do if you get a better company, who is your mentor. Give me one reason not to select you. At the end, around 7:00 p.m. Seven of us got selected.