1. Computer Network: Briefly describe what is OSI model of network? What will happen when I input a website address in browser and press enter?(It's about network protocols) 2. Operating System: What is a process? What is a thread? 3. About your project: The interviewer was particularly interested in my project about personal websites. He asked were there any special features in your back/front end? 4. The algorithm question. It was about number theory. I can't remember clearly.