The paper suggests the website, there are many ready-made codes on the internet, even if 100% is complete, you can find one to change and graduate. But study hard. The technical aspect can be asp+mssql or php+mysql (language+database).

In fact, the two are similar, and a large website can also be counted as a system. See if you are browser-based or software-based. The computer is entirely on its own. Very professional, dear. The code is typed on the keyboard and then tested. It needs practice, and it can't be taught by preaching alone.