Valeo interview questions

quite long interview the questions was about : - build process - c question - communication protocols -A. Tell me about your embedded diploma project. B. How to measure the duty cycle of a signal without using the ICU. C. C function to count number 1's in a binary 8-bits number. D. C function to get the repeated number in array contains 101 elements and the elements values from 1 to 100. E. What is the difference between UART, SPI and I2C. F. Draw X shape using * G. what do you know about ADC. H. difference between boot-loader and startup code.

-the process is first online assessment and if passed - the HR calls you for technical interview - once done the manager interview is done - if accepted offer is sent to you through mail