A good interview for a fresher. Basics about RTOS and basic electronics, and communication protocols such as SPI, UART. C programming knowledge needed. Basic Data structure like Linked list, Arrays should be known.

First round was coding round (some mcqs and 3 coding question) visteon was having pool campus drive then on the interview day 1 interviewer was assigned to each group (around 10-12 people in each group) 3 question were given and you were supposed to solve any one of them to clear that round and the solution was supposed to be explained to interviewer as solution was supposed to be written on paper. next was technical interview followed by managerial round and at last a hr interview