TATA ELXSI Embedded Systems Engineer interview questions

Direct interview based on resume . Interview consisted of all domains what you studied in B.E . Other interviewers asked about antenna,emf too. My interviewer asked me about my project.)Asked about basics of C which i didnt know. He asked me basics about inheritance,object ,super class, etc .Asked me to give example for them .Asked me logic to swap 2 variables without use of temporary variable.