Arm interview questions

- What criteria would you use when choosing an MCU for a project? - What means of saving power in an MCU-controlled board do you know? - Draw a block diagram of an MCU. What's MPU is for. What's the difference between MPU and MMU. - What happens after power up and before main() is entered, what has to be done? - Write an in-memory string reversal function (byte-wise and word-wise). - Describe how would you write a program that transfers bytes from UART to Ethernet (UDP) and blinks a LED, provided there are some API functions. - What API would you create for working with a DMA controller? - What is 'undefined behavior' in terms of C language standard. - What for is the 'volatile' keyword. - What is your best trait? - What are your 5 worst traits? - Why do you want to work for ARM? - Why you are the one? - If you don't agree with your immediate boss on some technical decision, how would you address that? - Have you ever shouted at anyone at work? Some other questions as well, don't remember them all.

tell us about a piece of work which is been largely written by you and how did you manage to score in that project? Why technical writing and why you want to join arm