NVIDIA Internship interview questions

It was all Started with Apptitude test . Test was Tough enough . It had 4 sections with C ,C++ section focusing on Bitwise operations and pointer related questions . OS had questions on deadlock ,disk scheduling ,TLB etc . Data structures had applied questions in sorting determing complexity etc Apptitude was easiest one had simple questions.After Apptitude there was 1 or 2 technical round depends on ur performance in 1 St. Tell about how C program is processed . Differentiate between static and Global variable. Simple 2-3 C codes . Booting process in OS

There was aptitude round consisting of quantitative aptitude, logical , c/cpp, data structures,and operating system. questions basics. Then shortlisted candidates were sent for the Interview process where puzzles and coding questions were asked. It was lengthy and went on for about 30-45 minutes. There was no HR round after this.