National Instruments Software Engineer, Intern interview questions

Written Exam: The exam comprised two sections: 1. Aptitude Section: This section consisted of 15 questions testing general aptitude skills. 2. Core Electronics Section: This section also includes 15 questions focused on topics such as capacitors, Kirchhoff's Voltage Law (KVL), Kirchhoff's Current Law (KCL), and other core electronics concepts. Additionally, there were two coding questions: - Question 1: A problem related to a modified Kadane’s algorithm. - Question 2:A dynamic programming problem involving a knight’s movement on a chessboard. Technical Interview: The technical interview began with the interviewers introducing themselves, followed by my self-introduction. The interview then proceeded with a detailed discussion about my projects. Afterward, they asked me several coding questions, including: 1. Creating a "mountain array" from a given array. 2. The "Two Sum" problem. 3. The "Closest Two Sum" problem. 4. Problems related to rotational strings, and more. These questions mainly involved arrays and strings, ranging from easy to medium difficulty. Subsequently, the discussion shifted to electronics topics, covering areas such as digital electronics, digital communication, and sampling theory. HR Round: The final round was the HR interview, which focused on behavioral and situational questions. They asked about: 1. Why should we hire you? 2. What motivates you the most? 3. Have you ever guided or mentored someone? 4. How have you handled project challenges or team conflicts?