General Industrial Controls Software Engineer interview questions

Interview process level goes from basic to medium. Understanding of basic concept Most of the time recruiter try examine problem solving skill of candidate Simple coding questions will be asked , you can consider leetcode basic questions. My Interview was most of about the Projects I had mentioned in my resume and the interview round 1. Technical => 1.5 hr and 2. HR => 30 mins What to study ? C, C#, Object Oriented Programming , Basics of Multi-threading