I applied through college or university. The process took 1 day. I interviewed at NVIDIA (Ahmedabad) in Aug 2016
Interview
It took one complete day, starting from 75 minute written test conducted at college ..with only 1 aptitude questions in the entire 32 questions
Thr were 16 MCQ and 16 Subjective questions. Followed by interview of 8 shortlisted candidates. Thr was no separate Hr and Tech...Main focus of interview was on written only
Interview questions [1]
Question 1
Basics of Opamps
Digtial Circuits
1 easy question on timing
some variation on networks concepts
Questions on digital circuits were challenging. 1 was on ADC-DAC, few on counters
I applied online. The process took 1 day. I interviewed at NVIDIA
Interview
The interview process usually long. Interviewers usually start questions from basics to advance. They look for talented people who has the ability to learn and think critically. During the interview, there are about 6-8 interviewers but they usually meet the candidate one at a time and 45 mins each.