Efftronics Systems Firm Ware interview questions

Interview was done in our college only. At first written exam will be there all the questions are at basic level I remember that 2 from op-amp asking output voltage, Some circuit are given we were asked to calculate current or voltage in particular branch and some from control systems,network analysis, mp(mostly 8085), aptitude, c language, assembly and STLD. The written exam is really easy the strong basics are enough to clear the exam.