The interviewer set up the first 45-minute interview with the "Director" as the hiring manager. The interviewer was friendly and helpful.

OS concept-related deep technical questions were asked.

Coding questions focused on C.

Explain the breakdown of a typical SoC architecture.

What happens when an embedded system boots up?

What is in between the CPU and GPU? Then, explain buses and cache.

Virtual memory, page table, page indexing.

Why is this bad from a safety point of view: int fd = open("foo.txt", O_RDONLY); buf = malloc(16); read(fd, buf, 16);

How to swap bits for uint8_t in C: Swap the 1st and 2nd bit, 3rd and 4th bit, and so on, up to the 8th bit. Example: 10101100 -> 01011100