Most-asked TCS NQT, Technical, Managerial & HR questions with prep strategy — curated from real TCS hiring drives.
Numeric Ability, Verbal, Reasoning, Programming Logic & Coding sections. 180 minutes total.
Deep dive into your preferred language, OOPS, DSA, DBMS, OS, CN, and projects.
Situational questions, team fit assessment, project discussion, and problem-solving approach.
Background verification, career goals, relocation willingness, salary discussion.
Frequently asked in TCS Technical rounds for freshers.
What is the difference between a stack and a queue?
Explain OOPS concepts with real-life examples.
What is polymorphism and give an example?
What is the difference between a process and a thread?
Explain the concept of inheritance in Java/C++.
What are the different types of joins in SQL?
What is normalization? Explain up to 3NF.
Explain the OSI model and its 7 layers.
What is a binary search tree? Write code to insert a node.
What is the time complexity of QuickSort in the worst case?
Difference between TCP and UDP.
What is a deadlock? How can it be prevented?
Common programs asked in the TCS NQT Coding section and Technical round.
Reverse a string without using built-in functions.
Find the second largest element in an array.
Check if a number is prime.
Fibonacci series using recursion and iteration.
Find duplicates in an array.
Implement a stack using queues.
Check if a string is a palindrome.
Find all pairs in an array that sum to a target.
Common HR questions asked in TCS final round interviews.
Tell me about yourself.
Why do you want to join TCS?
Where do you see yourself in 5 years?
What are your strengths and weaknesses?
Are you willing to relocate?
How do you handle work pressure?
Do you have any questions for us?
Practice Numerical Ability (30 Qs), Verbal (30 Qs), Reasoning (30 Qs), Programming Logic (10 Qs), and Coding (2 Qs).
OOPS, DBMS, OS, CN — TCS technical interviews heavily test these fundamentals.
Be ready to write and explain code for sorting, string manipulation, and recursion problems.
Every project and technology listed on your resume is fair game. Be ready to go deep.
Access the complete TCS study plan with DSA, System Design, OS, DBMS & CN questions on TomoLink.
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