Hi aspirant,

There are various questions in computer science so telling importanr ones will surely be not enough because nobody knows what questions arises in future. See, you need to understand about what you are asking. There are various concepts that needs to work in computer science such as Database management system, operating system,  coa etc.

Refer to this link from more detailed information: https://www.careers360.com/courses/computer-science-course

Hope this information will help you.  Revert incase of any query.

Thank you and good luck:))