TCS interview questions
Online test → Technical → HR·99% entry level
CS fundamentals
Showing 38 of 2,717 reported in this area
What are the differences between C and Java?
Explain different types of SQL joins.
What is the difference between C++ and Java?
What are ACID properties in DBMS?
What is the difference between C and C++?
What is the difference between an abstract class and an interface in Java?
What is the difference between DBMS and RDBMS?
Explain the software development life cycle (SDLC).
What are the four pillars of Object-Oriented Programming?
What is the difference between a list and a tuple in Python?
What is Object-Oriented Programming (OOP)?
What is the difference between HTTP and HTTPS?
What is the difference between a stack and a queue?
What is the difference between DELETE and TRUNCATE in SQL?
What is the difference between range and xrange in Python?
Explain the difference between method overloading and method overriding in Java
What is a friend function in C++?
What is the final keyword in Java?
What is a lambda function in Python?
Write an SQL query to create a table.
Explain Stack and Queue data structures.
What are the differences between C and C++?
What is call by value and call by reference?
What is method overloading and method overriding?
Explain encapsulation in object-oriented programming.
Explain the OSI model and the function of each layer.
What is the difference between an abstract class and an interface?
What is the difference between method overloading and method overriding?
How does memory allocation work in Python?
Write an SQL query to find the second highest salary from a table.
What are storage classes in C?
Explain Internet of Things (IoT)
How do you retrieve data in SQL?
Why is String immutable in Java?
What is the static keyword in Java?
Explain the layers of the OSI model.
Explain ACID properties in databases.
Explain the Java Collection Framework.
DSA
Showing 10 of 731 reported in this area
Write a program to generate the Fibonacci series.
Write a program to check whether a number is prime.
Check whether a given string or number is a palindrome
Swap two numbers without using a third variable.
Check whether a given number is an Armstrong number.
Solve the 0/1 Knapsack problem using dynamic programming.
Swap two numbers without using a temporary variable
Write a program to check whether a number is a palindrome.
Implement Quick Sort algorithm.
Explain the Bubble Sort algorithm.
Behavioural
Showing 3 of 236 reported in this area
How would you handle a teammate who is not performing up to expectations?
How would you impress your coach to become the captain of a basketball team?
How does a team's performance differ if the captain is calm versus short-tempered?
Aptitude
Showing 3 of 181 reported in this area
Verbal ability questions testing English comprehension and grammar
Probability-based quantitative aptitude problems
Numerical ability questions covering arithmetic and basic quantitative aptitude
Puzzles
Showing 3 of 41 reported in this area
Given a square, divide it into 7 equal parts.
Multiply two 3-digit numbers mentally without using pen or paper.
Using a 3L and a 5L mug, how can you measure exactly 4L of water?
System design
Showing 3 of 34 reported in this area
How to integrate a payment gateway into an application?
How do you optimize a REST API?
Design an E-Commerce application
Showing 60 of 2,783 questions. Ranked by how often the same question came back across reports.
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What questions does TCS ask?
Candidate interview reports most often cover CS fundamentals (69%) and DSA (19%).
How many rounds does TCS interview have?
Candidate interview reports show an average of 2.8 rounds per experience, with a typical sequence of Online test → Technical → HR. Individual interview paths can vary.
Is the TCS interview hard?
Among questions with a reported difficulty, the mix is easy 67%, medium 32%, hard 1%.