Qualcomm Hardware Engineer interview questions

Applied online and got an email from HR staff after about a week. The person got me in touch with a senior staff engineer in the group I was applying to. The person called me and after the brief dull conversation the technical questions began.

There were 4 rounds in total... the online test was the first... it consisted 3 sections Section 1: aptitude and logical reasoning Section 2: basics of c and data structures Section 3: tecnical- digital electronics and basic electronics Then in the first interview they asked ant projects and research i have done and he asked questions on them The second interview is completely techinal... vhdl coding, setup time, hold time, iir n fir filters, digital electronics, questions on semiconductor devices The final round was hr, it is easy and normal questions, why should we hire u?.. ur hobbies, where do u see urself in 5 years