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TCS Interview Questions, Process, and Tips

Updated 3 Mar 2025

Top TCS Interview Questions and Answers

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10.4k interviews found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Dec 2024. There were 2 interview rounds.

Round 1 - Technical 

(3 Questions)

  • Q1. Technical based
  • Q2. What is different between workgroup and domain
  • Ans. 

    Workgroup is a peer-to-peer network where each computer has its own security settings, while a domain is a centralized network managed by a server with shared security settings.

    • Workgroup is decentralized, each computer manages its own security settings

    • Domain is centralized, managed by a server with shared security settings

    • Workgroup is suitable for small networks, domain is suitable for larger networks

    • In a workgroup, us...

  • Answered by AI
  • Q3. What should a system administrator`s routine be?
  • Ans. 

    A system administrator's routine involves monitoring system performance, troubleshooting issues, implementing security measures, and maintaining backups.

    • Regularly monitoring system performance and resource usage

    • Troubleshooting and resolving technical issues as they arise

    • Implementing and maintaining security measures to protect the system from cyber threats

    • Performing regular backups and ensuring data integrity

    • Updating s...

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Dsfsdf sdfsd sdf sd f

Interview Preparation Tips

Interview preparation tips for other job seekers - Fhyygufguy fbi iu f eh ji ur f bj ugj

Top TCS System Engineer Interview Questions and Answers

Q1. Who Won the Election???Elections are going on, and there are two candidates A and B, contesting with each other. There is a queue of voters and in this queue, some of them are supporters of A and some of them are supporters of B. Many of th... read more
View answer (11)

System Engineer Interview Questions asked at other Companies

Q1. Who Won the Election???Elections are going on, and there are two candidates A and B, contesting with each other. There is a queue of voters and in this queue, some of them are supporters of A and some of them are supporters of B. Many of th... read more
View answer (11)

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System Engineer Interview Questions & Answers

user image Akash Ghadage

posted on 6 Jan 2025

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - Aptitude Test 

Aptitude tests typically assess quantitative skills and reasoning abilities.

Round 2 - Coding Test 

Two programming questions: the first is easy, and the second is medium.

Round 3 - Technical 

(2 Questions)

  • Q1. Can you describe your background and experience? What can you share about your project-related experiences?
  • Ans. 

    I have a strong background in system engineering with experience in various projects.

    • Bachelor's degree in Computer Science with a focus on system engineering

    • Worked on implementing and maintaining network infrastructure for a large corporation

    • Experience with virtualization technologies such as VMware and Hyper-V

    • Managed projects involving system upgrades and migrations

    • Certified in Cisco networking and Microsoft server te

  • Answered by AI
  • Q2. What is your understanding of Java Object-Oriented Programming (OOP)?
  • Ans. 

    Java OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.

    • Java OOP involves the use of classes and objects.

    • Encapsulation is a key concept where data is kept private within a class and accessed through public methods.

    • Inheritance allows one class to inherit attributes and methods from another class.

    • Polymorphism enables objects to be...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare technical topics with an emphasis on enhancing communication skills.

Top TCS System Engineer Interview Questions and Answers

Q1. Who Won the Election???Elections are going on, and there are two candidates A and B, contesting with each other. There is a queue of voters and in this queue, some of them are supporters of A and some of them are supporters of B. Many of th... read more
View answer (8)

System Engineer Interview Questions asked at other Companies

Q1. Who Won the Election???Elections are going on, and there are two candidates A and B, contesting with each other. There is a queue of voters and in this queue, some of them are supporters of A and some of them are supporters of B. Many of th... read more
View answer (8)
TCS Interview Questions and Answers for Freshers
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tcs digital Interview Questions & Answers

user image Anonymous

posted on 23 Dec 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via campus placement at G Pulla Reddy Engineering College, Kurnool and was interviewed in Nov 2024. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. Write a code on reverse of the string
  • Ans. 

    Code to reverse a string

    • Use a loop to iterate through the characters of the string

    • Swap the characters from start to end of the string

    • Continue swapping until you reach the middle of the string

  • Answered by AI
  • Q2. Why string in java are immutable
  • Ans. 

    Strings in Java are immutable to ensure thread safety, security, and optimization.

    • Immutable strings prevent accidental changes, ensuring data integrity.

    • String pooling optimizes memory usage by reusing common string literals.

    • Thread safety is maintained as immutable strings cannot be modified concurrently.

    • Security is enhanced as sensitive information in strings cannot be altered.

    • Examples: String str = "Hello"; str.concat...

  • Answered by AI
  • Q3. Explain about your projects
  • Ans. 

    I have worked on developing a mobile application for tracking daily fitness activities.

    • Developed a user-friendly interface for users to input their daily exercise and diet information

    • Implemented features such as step tracking, calorie counting, and goal setting

    • Integrated with wearable devices like Fitbit for automatic data syncing

  • Answered by AI
  • Q4. Why did you choose csbs
  • Ans. 

    I chose CSBS because of its strong reputation in the industry and the opportunity to work on cutting-edge technologies.

    • CSBS has a strong reputation in the industry for producing top-notch professionals

    • I was attracted to the opportunity to work on cutting-edge technologies and innovative projects

    • I believe CSBS will provide me with the skills and knowledge needed to excel in the digital field

  • Answered by AI
  • Q5. Cocepts on opps
  • Ans. 

    Concepts on object-oriented programming

    • OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.

    • Encapsulation, inheritance, and polymorphism are key principles of OOP.

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

  • Answered by AI

Interview Preparation Tips

Topics to prepare for TCS tcs digital interview:
  • java
  • sql
  • core subjects
Interview preparation tips for other job seekers - make sure to brush all your basic topics before u are attending fot the interview
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Jan 2025.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Could you explain one project from your portfolio that you would like to highlight?
  • Q2. Do you have any previous experience in UI design?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be polite and honest. Do not hesitate to acknowledge if you lack knowledge or experience in the field. Illustrate your willingness to enhance your understanding of the area and demonstrate your commitment to acquiring knowledge.

Graphic & UI Designer Interview Questions asked at other Companies

Q1. What is the difference between UI & UX? Mention the top 5 trends of the latest design.
View answer (1)

TCS interview questions for popular designations

 System Engineer

 (1.1k)

 Software Developer

 (497)

 Software Engineer

 (451)

 Assistant System Engineer

 (380)

 Assistant System Engineer Trainee

 (372)

 IT Analyst

 (336)

 Ninja

 (187)

 Java Developer

 (184)

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I was interviewed in Dec 2024.

Round 1 - Assignment 

PROJECTS

Multi-Source Medical Data Integration & Management for Healthcare Services

01/2023-06/2023

Guntur, Andhra Pradesh, India

A project focused on integrating medical data for healthcare services.

Developed a web application to integrate medical data from multiple sources, enabling efficient data management in healthcare services.

Designed and implemented RESTful APIs for data interaction and integration,

Utlized Django for backend development, ensuring scalability and maintainability

Implemented data validation and security protocols to ensure the protection of patient information.

Streamlined medical records and information fhow to enhance healthcare service efficiency

Round 2 - HR 

(1 Question)

  • Q1. Sir/madam What's the My responsibility in our country
Round 3 - One-on-one 

(1 Question)

  • Q1. Sir/madam could be pleace how mach time this round

Java Full Stack Developer Interview Questions asked at other Companies

Q1. Coding question - 1. Create a immutable class of orders. What happens when two objects are created out of it. 2.Using the immutable orders create a set of orders and how will you sort these out. 3.Given a List of list of string of integers ... read more
View answer (1)

Get interview-ready with Top TCS Interview Questions

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Jan 2025.

Round 1 - Technical 

(4 Questions)

  • Q1. What is single line diagram
  • Ans. 

    A single line diagram is a simplified representation of a power system using standardized symbols to show the electrical connections and components.

    • It shows the main components of the system such as generators, transformers, breakers, etc.

    • Lines represent electrical connections between components.

    • It is used for planning, designing, and analyzing power systems.

    • Helps in understanding the flow of power and identifying pote...

  • Answered by AI
  • Q2. Whai is transfirmer
  • Ans. 

    A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.

    • Consists of two coils of wire, known as primary and secondary coils

    • Primary coil is connected to a power source, inducing a magnetic field

    • Magnetic field causes voltage to be induced in the secondary coil

    • Used to step up or step down voltage levels in electrical systems

    • Commonly used in power distributi

  • Answered by AI
  • Q3. What is generator
  • Ans. 

    A generator is a device that converts mechanical energy into electrical energy.

    • Generators use electromagnetic induction to produce electricity

    • They are commonly used in power plants, homes, and businesses

    • Examples include diesel generators, wind turbines, and hydroelectric generators

  • Answered by AI
  • Q4. Whai is motor and working
  • Ans. 

    A motor is a device that converts electrical energy into mechanical energy to produce motion.

    • Motors consist of a rotor and a stator, with the rotor rotating within the stator.

    • They work based on the principle of electromagnetic induction, where a current-carrying conductor experiences a force in a magnetic field.

    • Motors are used in various applications such as industrial machinery, household appliances, and electric vehi

  • Answered by AI

Electrical Engineer Interview Questions asked at other Companies

Q1. What is the difference between Switch gear & Circuit Breakers ?
View answer (13)

Jobs at TCS

View all
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Company Website and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - HR 

(6 Questions)

  • Q1. Constellation Given a matrix ‘UNIVERSE’ with 3 rows and ‘N’ columns, with ..
  • Ans. 

    The question is about working with a matrix named 'UNIVERSE' with 3 rows and 'N' columns.

    • The matrix 'UNIVERSE' has 3 rows and 'N' columns.

    • The question likely involves performing operations or calculations on the matrix.

    • Example: UNIVERSE = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]

  • Answered by AI
  • Q2. Constellation Given a matrix ‘UNIVERSE’ with 3 rows and ‘N’ columns, with ..
  • Ans. 

    The question is about working with a matrix named 'UNIVERSE' with 3 rows and 'N' columns.

    • The matrix 'UNIVERSE' has 3 rows and 'N' columns.

    • The question likely involves performing operations or calculations on the matrix.

    • Example: UNIVERSE = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]

  • Answered by AI
  • Q3. What is FDS , did you
  • Ans. 

    FDS stands for File Descriptor System, a method used in operating systems to manage files and input/output devices.

    • FDS is a system used by operating systems to keep track of open files and input/output devices.

    • It assigns a unique number to each open file or device, known as a file descriptor.

    • File descriptors are used to perform read, write, and other operations on files and devices.

    • FDS helps in efficient management of ...

  • Answered by AI
  • Q4. What is FDS , did you
  • Ans. 

    FDS stands for File Descriptor System, a mechanism used in operating systems to manage file input and output.

    • FDS is a part of the operating system that keeps track of open files and their associated data.

    • It assigns a unique number to each open file, known as a file descriptor.

    • File descriptors are used to read from and write to files, sockets, pipes, and other input/output devices.

  • Answered by AI
  • Q5. What is the reason that the Iterative Waterfall model was introduced?
  • Ans. 

    The Iterative Waterfall model was introduced to address the limitations of the traditional Waterfall model.

    • Introduced to allow for iteration and feedback throughout the development process

    • Helps in accommodating changes and improvements as the project progresses

    • Enables better communication and collaboration among team members

    • Reduces the risk of project failure by identifying issues early on

  • Answered by AI
  • Q6. What is the reason that the Iterative Waterfall model was introduced?
  • Ans. 

    The Iterative Waterfall model was introduced to address the limitations of the traditional Waterfall model.

    • Introduced to allow for iteration and feedback throughout the development process

    • Helps in accommodating changes and improvements as the project progresses

    • Enables better risk management by identifying issues early on

    • Allows for better stakeholder involvement and satisfaction

    • Examples include Agile methodologies like

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Who Won the Election??? Elections are going on, and there are two candidat
  • Ans. 

    The election results have not been announced yet.

    • The election results have not been declared

    • The candidates are still awaiting the official announcement

    • It is currently unknown who won the election

  • Answered by AI
  • Q2. Find Duplicate You have been given an integer array/list(ARR) of size N wh
  • Ans. 

    Find duplicates in an integer array/list.

    • Iterate through the array and store elements in a hash set.

    • If an element is already in the set, it is a duplicate.

    • Return a list of all duplicate elements found.

  • Answered by AI

Computer Operator Interview Questions asked at other Companies

Q1. Which program language do you use regularly in your work
View answer (3)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I was interviewed in Jan 2025.

Round 1 - Technical 

(3 Questions)

  • Q1. Wat are containers in SpringBoot
  • Q2. How will you fetch the 10 data in Spring boot
  • Q3. Exceptions Priority

Top TCS Java Developer Interview Questions and Answers

Q1. what are the difference between abstract class and interface, and throw and throws, and why we use throws?? Why String is Immutable?
View answer (6)

Java Developer Interview Questions asked at other Companies

Q1. Sort 0 and 1 Problem Statement Given an integer array ARR of size N containing only integers 0 and 1, implement a function to sort this array. The solution should scan the array only once without using any additional arrays. Input: The firs... read more
View answer (3)

Helper Interview Questions & Answers

user image Anonymous

posted on 4 Feb 2025

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
-

I was interviewed in Jan 2025.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Kay aap nokri karna chahte ho
  • Q2. Kay aapne kabhi job kiya hai
Round 2 - Case Study 

Jacobs Jacob gechile hector hectic facial Hain Feb vachaka hector hectic tech Gavin Hain tech reddit hav reddit trucks having hav Gavin Hain khud

Interview Preparation Tips

Interview preparation tips for other job seekers - Pradip Rathod jambh Jacob Uddin hacks uthon train reach uthiye uthon jahid uthiye lulla reduc uthon readers eyes fit ii hectic trending likhon uthiye tech trending jhon reduc jhon

Helper Interview Questions asked at other Companies

Q1. Which programming languages do you use regularly in your work? Do you have any technical certifications that make you qualified for this job? Can you explain the most rewarding project you have worked on so far? ... What steps do you take t... read more
View answer (2)
Interview experience
4
Good
Difficulty level
Easy
Process Duration
-
Result
Selected Selected
Round 1 - Aptitude Test 

Normal aptitude questions were there you can solve previous year questions to have a greater idea

Round 2 - Technical 

(2 Questions)

  • Q1. Which language I am proficient in?
  • Q2. About my projects

Top TCS Software Engineer Interview Questions and Answers

Q1. Find the Duplicate Number Problem Statement Given an integer array 'ARR' of size 'N' containing numbers from 0 to (N - 2). Each number appears at least once, and there is one number that appears twice. Your task is to find and return this d... read more
View answer (9)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (188)
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TCS Interview FAQs

How many rounds are there in TCS interview?
TCS interview process usually has 2-3 rounds. The most common rounds in the TCS interview process are Technical, HR and Aptitude Test.
How to prepare for TCS interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at TCS. The most common topics and skills that interviewers at TCS expect are Java, Spring Boot, Microservices, SQL and Python.
What are the top questions asked in TCS interview?

Some of the top questions asked at the TCS interview -

  1. What is FDS , did you create and if create tell me the requireme...read more
  2. How to display multiple screen in one lay...read more
  3. What is the use of constructor? When it will be cal...read more
How long is the TCS interview process?

The duration of TCS interview process can vary, but typically it takes about less than 2 weeks to complete.

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