Qualcomm Software Engineer interview questions

Applied through employee referral program. Received a call for interview. 3 Rounds of interview. Mainly focussed on C programming and computer architectures and OS. Entire process is good but interiviews are difficult and not so easy to crack.

Got mail from HR for Phone Interview for embedded sw engineer, then after 1 week scheduled the interview call. interview started on time. interview was on C, OS, Algorithm. Find the comman node in given two Linklist, Optimize code and reduce time complexity. Cache Memory Concept Review x++