Cognizant Trainee Engineer interview questions

the interview procees had 4 rounds,first was the group discussion,then the aptitude test,then technical round,and finally the HR.it was very easy and calm interview.

Firstly I registered for the company showing my interest towards the company. Accordingly I was called for a written test on successful comlpletion of which I was called for interview which consisted of a technical and hr interview. Later on I was communicated through mail about my selection.