Qualcomm Hardware Engineer interview questions

Qualcomm visited the campus. First level is online test. Test involves 3 sections- Aptitude, C programming and one optional subject which I choose Digital Electronics. Each section has 20 questions. There is a negative marking

One phone interview on general engineering knowledge followed by five zoom interviews. One zoom meeting was behavioral with the recruiter and the others were technical. Topics ranged from analog and digital circuit design to computer architecture and communication protocols.