should read electronics devices and circuits ,digital analog circuits and formal c language syntax,basic semi conductor questions, all the questions are from electronics subjects only ,need to prepare lot

Written test followed by interview. Written test on DS,ALGO and C. I had 3 interviews. One with senior engineer. Second with hiring manager. Last one with Director. About karnaugh map. Why we use grey code?. They test your basics on C and OS internals. Perpare C, DS,algo, OS and networking for written test