What should I know about software engineering before joining an MCA?

Software engineering applies structured methods to designing, building, testing and maintaining software. An MCA student should understand requirements, architecture, version control, testing and maintenance. The practical value of software engineering becomes clearer when you use it to solve an actual problem instead of studying definitions alone. This point is specifically relevant to the software engineering aspect of MCA study. For this specific question about software engineering, the practical takeaway is to relate the concept to your own MCA learning goal. In other words, this guidance addresses: What should I know about software engineering before joining an MCA?