Projects you have worked on:

Make sure you know in and out of every project that is mentioned in your resume. Right from the logic to components used, if any, and also the flow/circuit diagram.

The Subject of Interest:

Before getting into technical questions, you will be asked about your favorite subjects/subjects of interest. All questions in this interview will focus on testing your knowledge in those subjects.

Latest Technologies:

You also need to be aware of trending technologies like AI, Cyber Security, etc. There's a chance you might be asked about these topics.

C, Java, C++ basic programs, definitions, self-introduction in HR round