Analog Devices embeded software engineer interview questions

Attended the screening round, manager discussed my interests of work and my background experience. But couldn't get selected to further rounds because lack of dsp experience in field. Couple of basic questions were asked answered them

Round 0: Written Test. No MCQ's. Have to write final answer. 3 Technical interview rounds: Questions asked from Embedded Systems, OS, OOP, Microprocessors, communication protocols, etc 1 HR round: Very basic and easy