Qualcomm Modem Power Software Developer interview questions

1st round HR interview : over phone. Basic questions on time management, priorities, college life etc 2nd round : Technical Phone interview, questions on C keywords (Static, volatile, const, typedef), questions on power optimization techniques, OS questions (deadlock, priority inversion, types of scheduling etc), and a coding question. (Write a function that counts the number of set bits in an integer number). Why is debugging memory leaks so difficult? How is it done? ONSITE: 6 rounds on interview, 1 HR, 5 technical. whole day. Onsite questions follows