Online learning application to support students preparing for university exams includes main features:

1. **Video lectures**: Courses are divided into many lectures in video format.
2. **Multiple choice test**: There are many multiple choice questions to help you improve your knowledge quickly.
3. **Q&A**: You can interact, ask and answer questions about the lecture
4. **Learning materials**: Accompanying documents, lecture slides, and practice exercises help students master knowledge.

Very convenient, right? Definitely a powerful tool for more effective learning. ?