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The best way to prepare for COS 126 exams is to do previous exams. We strongly encourage you to challenge yourself do each exam in its entirety before looking at the solutions. If you have any questions about the exams, the best place to ask them is on Piazza. Also, keep in mind that as the course changes from semester to semester, some topics are covered more in depth than others. You will be responsible for the material covered in this semester's lectures, precepts, and assigned reading.