IBM

The process was very smooth and promising. There were three rounds of interviews: two technical followed by one HR round. There is also one mandatory test candidates have to clear. If you have not cleared this test, your selection will be meaningles

I was asked basic computer science, algorithm, operating system concepts, and C programming questions.

Very tough interview with coding round and aptitude questions. The criteria were very difficult to pass, and I failed the attempt. Questions related to matrices and arrays were asked.