NiCE Software Developer interview questions

round 1: Aptitude+coding(no negative marking) There were total 5 sections (Each containing 10 questions and to be solved in 10 mins)in aptitude part 1.General quant 2.data structures and alogorithms 3.Operating Systems 4.DBMS 5.Programming language(c and cpp/java) Then,there was one coding question to be solved in 30 mins For eg.Sort the array and print the numbers after the given index round 2: Technical Interview They asked everything except CN. some people still got a questions on CN OS: what is thread? what are thread states? thread scheduler multithreading write code for process scheduling using multithreading DBMS: General SQL queries DSA: code to reverse a 9 digit number BFS,DFS etc C: what is malloc,free,calloc? whay do we allocate memory dynamically? fragmentation