I took a quiz at a college career fair, and then had three phone interviews.

There were some questions about operating systems that I did not know how to answer, as I'm early in my undergraduate studies. However, the questions mainly focused on data structures and sorting algorithms.

I also discussed kernel debugging, which I had never done before.

Ultimately, I think I was simply not far enough along in my classes to possess the knowledge they seemed to need.

Prepare very, very well; no topic is off limits.

How to access the nth item in a linked list with less than O(2m) time worst case.

Write a version of the C function tail.

Describe how to implement the interface to ensure a certain block of code in a simple compiler is executed every so often (time dependent).

Why do you want to work at NVIDIA?