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TCS Intern Interview Questions and Answers

Updated 17 Jan 2025

Q1. what is oop and how it different from other lanaguages

Ans.

OOP stands for Object-Oriented Programming. It is a programming paradigm that uses objects and classes to organize code.

  • OOP focuses on objects and classes, allowing for encapsulation, inheritance, and polymorphism.

  • Objects are instances of classes that contain data and methods.

  • In OOP, code is organized into reusable components, making it easier to maintain and scale.

  • Examples of OOP languages include Java, C++, and Python.

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Q2. Reverse a string and check if its palindrome

Ans.

Reverse a string and check if it's a palindrome.

  • Create a function to reverse the input string.

  • Compare the reversed string with the original string to check if it's a palindrome.

  • Ignore spaces and punctuation when checking for palindrome.

  • Example: Input 'racecar', reverse 'racecar' -> 'racecar', palindrome.

  • Example: Input 'hello', reverse 'hello' -> 'olleh', not a palindrome.

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TCS Intern Interview Questions and Answers for Freshers
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Q3. Difference between data structures and algorithms

Ans.

Data structures are ways to store and organize data, while algorithms are step-by-step procedures for solving problems.

  • Data structures are like containers that hold data in a specific layout, such as arrays, linked lists, trees, etc.

  • Algorithms are the instructions or steps used to manipulate the data stored in data structures, like sorting or searching.

  • Data structures focus on how data is stored and accessed, while algorithms focus on how to perform operations on the data eff...read more

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Q4. What do you intend to achieve from TCS

Ans.

I intend to gain valuable experience and skills in the IT industry while contributing to the growth of TCS.

  • Develop my technical skills through hands-on experience

  • Learn from experienced professionals in the industry

  • Contribute to the growth and success of TCS through my work

  • Build a strong professional network

  • Explore opportunities for career advancement within TCS

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Q5. what is microservices

Ans.

Microservices are a software development technique where applications are composed of small, independent services that communicate with each other through APIs.

  • Microservices break down a large application into smaller, loosely coupled services

  • Each service is responsible for a specific function and can be developed, deployed, and scaled independently

  • Communication between services is typically done through APIs, allowing for flexibility and easier maintenance

  • Examples of compani...read more

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Q6. What is numpy and pandas

Ans.

NumPy is a library for numerical computing in Python, while Pandas is a data manipulation and analysis tool.

  • NumPy provides support for large, multi-dimensional arrays and matrices, along with a collection of mathematical functions to operate on these arrays.

  • Pandas offers data structures like DataFrame for easy data manipulation and analysis, with functions for reading and writing data from various file formats.

  • Both libraries are commonly used in data science and machine learn...read more

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Q7. What is python?

Ans.

Python is a high-level programming language known for its simplicity and readability.

  • Python is interpreted, not compiled

  • It supports multiple programming paradigms like procedural, object-oriented, and functional programming

  • Python has a large standard library and a thriving community for support and resources

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Q8. usage of language

Ans.

Language usage refers to how effectively and appropriately language is used in communication.

  • Use clear and concise language to convey your message

  • Avoid jargon or technical language that may not be understood by all

  • Adapt your language to your audience, considering their background and knowledge

  • Be mindful of cultural differences that may impact language usage

  • Use active voice and avoid passive voice for clearer communication

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Q9. able to relocate

Ans.

Yes, I am able to relocate for the internship opportunity.

  • I am open to relocating for the right opportunity

  • I have no ties that would prevent me from relocating

  • I am excited about the possibility of experiencing a new city or culture

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Interview Process at TCS Intern

based on 34 interviews
3 Interview rounds
Resume Shortlist Round
Aptitude Test Round
HR Round
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