Qualcomm Engineering Intern interview questions

Two phone interviews - 45-60 min each

Had interviewed with 3 teams, each team took 2 phone interviews, so 6 interviews in all. Got selected for one of the team. Very basic questions, difference between C. C++, Java, where to use which language, few operating system questions, very basic (difference between process and threads, different types of IPC) and a few C questions (structures, volatile keyword)