Academic exams are formal assessments used to evaluate a student's knowledge and understanding of a subject. These tests can take various forms, including multiple-choice questions, essays, and practical demonstrations. They are typically administered at the end of a course or semester to measure how well students have grasped the material. Exams are an essential part of the education system, helping teachers and institutions determine a student's progress and readiness for future studies. They can also influence a student's grades and overall academic performance, making them a significant aspect of the learning process.