Posted by Aguzo

It's good to know what you want to study. Just note, you aren't going to be a computer science major the whole time. Life can change directions more often than you think, and with that extra business major, you'll be highly welcomed.

Your father just wants what he thinks is best for you. If you enjoy what you will major in, and be successful as well, then he will realize you made the right choice, eventually.

By the way, are you sure you aren't mixing up Systems/Software Engineering with Computer Science? Just in case ...

Here are some explanations of the difference in each field.
Computer Science, Software Engineering, Systems Engineering, Computer Engineering?