Valeo Embedded Software Developer interview questions

What is embbeded system ? and more revelant questions

 introduce yourself && graduation project.  Projects u have worked on(next Q depends on that point)  Uart,explain? Did u implement it’s drivers?  ADC(sensitivity,resolution) what happened if Vref decreased?  PWM  Define macro to manipulate specific bit in variable :exFunc(x,i){}  Develop func take array of Chars and it’s length and return 1. Repeated patterns 2. Length of each pattern 3. Number of repeated patterns Ex-Char[]x={‘a’,b’,’c’,’d’,’e’,’a’,’b’,’c’,’f’,’g’} 4. How can u test this function ? ex:boundaries ,length >0,etc.  Develop Func to return Root of Number.  Any Q u wanna ask ?