Interview questions for freshers
Interview questions for freshers and campus placements
As a fresher, you'll be asked about your project, your core subjects and yourself. Interviewers know you have little work experience - they want clear basics and real interest.
1.Explain your final-year project.
- What they're checking
- Whether you did the work and understand it.
- How to answer
- In two minutes: the problem, your part, the technology and why you chose it, and the result. Expect follow-up questions on any detail you mention.
2.What is normalisation in DBMS?
- What they're checking
- Core database basics.
- How to answer
- Organising tables to reduce duplicate data and update problems. Explain 1NF, 2NF and 3NF with a small example, and mention that denormalising is sometimes done for speed.
3.What is the difference between a process and a thread?
- What they're checking
- Operating-system basics.
- How to answer
- A process has its own memory space; threads share their process's memory. Threads are lighter to create but need synchronisation.
4.What is a deadlock, and how can it be prevented?
- What they're checking
- Concurrency basics.
- How to answer
- Processes waiting on each other forever. Name the four conditions (mutual exclusion, hold and wait, no preemption, circular wait); prevention breaks one of them, such as acquiring locks in a fixed order.
5.Explain the four pillars of OOP.
- What they're checking
- Programming fundamentals.
- How to answer
- Encapsulation, abstraction, inheritance and polymorphism - one sentence and one example each.
6.What happens when you type a URL into a browser?
- What they're checking
- How much of the stack you understand.
- How to answer
- DNS lookup, TCP connection and TLS handshake, the HTTP request, the server response, then the browser parsing and rendering the page.
7.What is the difference between TCP and UDP?
- What they're checking
- Networking basics.
- How to answer
- TCP is connection-based, reliable and ordered; UDP is connectionless and faster with no delivery guarantee - used for video calls and games.
8.Why should we hire a fresher like you?
- What they're checking
- Confidence and willingness to learn.
- How to answer
- Point to evidence you learn fast - projects, internships, competitions - and your interest in this company.
9.Are you willing to relocate or work in shifts?
- What they're checking
- Practical fit for the role.
- How to answer
- Answer honestly. If you have constraints, say so politely - it is better than a problem after joining.
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