A bridge course can help close a prerequisite gap when a learner does not have the required mathematics or computing background. Whether it is available and mandatory depends on the programme's admission rules. This makes bridge course more valuable when it is supported by hands-on practice and a clear explanation of what you built. This point is specifically relevant to the bridge course aspect of MCA study. For this specific question about bridge course, the practical takeaway is to relate the concept to your own MCA learning goal.