The interview process at ARM involved two technical rounds. In the first round, the focus was on core technical skills such as Verilog, where I was asked to write and debug code, and SRAM, with questions on memory architecture and its working principles. I also encountered questions on MOSFET and CMOS, testing my understanding of transistor-level design and circuit functionality. Additionally, they included logic puzzles to assess my problem-solving abilities. The second round further delved into hardware concepts, where I was asked more in-depth questions on digital circuit design and troubleshooting, along with a few conceptual questions about my past projects to gauge my practical knowledge and experience.