I applied through college or university. The process took 1 day. I interviewed at Cognizant in May 2010
Interview
The process started with a IQ test. The consist of mostly math and english questions.
The math questions were simple compared to english questions.
Also, some logical reasoning questions were asked.
It was followed by interview process.
The interviewer asked some basic background questions about studies, family, strength and weakness.
Also, he checked my ability to write program in C. He gave a simple problem.
He also checked my thoroughness in core subject by asking some basic principles.