Technical interviews for IT freshers usually test fundamentals rather than obscure facts. Practice explaining concepts in simple language and connecting them to real situations.

Questions to Practice

1. What is an operating system?
2. What is the difference between RAM and storage?
3. What is an IP address?
4. What is DNS?
5. What is DHCP?
6. What is TCP?
7. What is UDP?
8. What is a firewall?
9. What is virtualization?
10. What is cloud computing?
11. What is a database?
12. What is SQL?
13. What is an API?
14. What is Git?
15. What is a process?
16. What is a thread?
17. What is encryption?
18. What is MFA?
19. What is malware?
20. How would you troubleshoot no internet access?
21. How would you troubleshoot a slow PC?
22. What happens when you open a website?
23. Authentication vs authorization?
24. What is a backup?
25. How would you learn an unfamiliar technology?

Do Not Just Memorize

Interviewers often ask follow-up questions. Understanding the idea and being able to explain a practical example is more valuable than memorizing a definition.