Student gains practical computer science experience by taking a job in industry, and writes a report about this experience. Requires prior consent from the student's advisor or from the director of graduate studies. For PhDs, internship may be taken in Fall, Spring, or Summer semesters and may be repeated with consent of the advisor and the director of graduate studies. Master's students may do an internship after completion of first year; academic year internships for master's students may be approved only after consultation with the director of graduate studies. Credit/no credit grading only.