Qualcomm Senior Engineer interview questions

Techniques to improve LLC performance. Memory controller design, etc

1. Maximum sum of a sub-array 2. Reversing a doubly linked list. 3. About mutex and semaphores 4. Operating system fundamentals 5. Graphics Pipeline (Based on my previous exp.) 6. Difference between CPU and GPU 7. Memory Hierarchy 8. Cache mapping 9. Some puzzles and analytical questions 10. My projects in Depth from my resume 11. Reason for leaving last Company 12. What I know about Qualcomm's Product portfolio.