Sasken Software Development Engineer SDE interview questions

In my process , first i gave the CBT . The CBT contains basic questions about your B.Tech Course or we can say OS , DBMS, C/C++ programming , SQL , TOC , etc. and 2 Coding Questions based on DSA. Then the interview process contains 2 interviews 1 technical and 1 HR round In technical interview they ask basic question about subjects like tell me your last sem subject names , then if os what is paging, deadlock . In C language :- swap variable without using the 3rd variable , add without using addition operator