Western Digital Embedded Engineer interview experience

It split into three sections: aptitude, CS fundamentals, and hardware theory. After that, I was shortlisted for a sequence of four interviews—two technical, one managerial, and one HR.

In the technical rounds, I went through a pretty wide spread of low-level and systems topics. I had to reason through compilation details in a C program and how variables are stored, plus questions around endianness. There was also a linked-list loop detection problem, then bit-mask style questions to solve different purposes. A scenario-based demand paging question came up, and for concurrency they asked