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TCS Interview Questions, Process, and Tips

Updated 8 Dec 2024

Top TCS 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 th ...read more
  • Q2. Mirror String You are given a string S containing only uppercase English characters. Find whether S is the same as its reflection in the mirror. For Example, S = “AMAMA” ...read more
  • Q3. Cycle Detection in a Singly Linked List You have given a Singly Linked List of integers, determine if it forms a cycle or not. A cycle occurs when a node's next points ba ...read more
View all 143 questions

TCS Interview Experiences

158 interviews found

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

I applied via Campus Placement and was interviewed before Mar 2023. There were 2 interview rounds.

Round 1 - Technical 

(4 Questions)

  • Q1. How do you handle stack over flow?
  • Ans. 

    Handle stack overflow by optimizing code, using dynamic memory allocation, and implementing error handling.

    • Optimize code to reduce memory usage and prevent stack overflow.

    • Use dynamic memory allocation for large data structures.

    • Implement error handling to gracefully handle stack overflow situations.

  • Answered by AI
  • Q2. What are the OOPs 4 pillars ?
  • Ans. 

    The 4 pillars of OOPs are Inheritance, Encapsulation, Abstraction, and Polymorphism.

    • Inheritance allows a class to inherit properties and behavior from another class.

    • Encapsulation restricts access to certain components within a class, protecting the data.

    • Abstraction hides complex implementation details and only shows the necessary features.

    • Polymorphism allows objects to be treated as instances of their parent class or t

  • Answered by AI
  • Q3. String reverse questions DSA Coding?
  • Q4. Dbms DDL ,DML basics questions
Round 2 - HR 

(2 Questions)

  • Q1. Relocation based question
  • Q2. Background verification

Skills evaluated in this interview

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I applied via campus placement at Asansol Engineering College (AEC) and was interviewed in Jul 2022. There were 2 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. Tell me about the work responsibilities
Round 2 - Technical 

(1 Question)

  • Q1. About Ad, hypervisor replication , o365 spam filtering

Interview Preparation Tips

Interview preparation tips for other job seekers - be confident , explain more detailed info . about tools
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I applied via Company Website and was interviewed in Jul 2022. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Problem arrange 3 numbers in ascending order. Just write the logic
  • Ans. 

    Logic to arrange 3 numbers in ascending order.

    • Compare first two numbers and swap if necessary

    • Compare second and third numbers and swap if necessary

    • Repeat until no more swaps are needed

  • Answered by AI
  • Q2. Write program for Fibonacci series
  • Ans. 

    Program to generate Fibonacci series

    • Declare variables for first two numbers in series

    • Loop through desired number of iterations

    • Calculate next number in series by adding previous two

    • Print or store each number in series

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice DSA form geeks for geeks, hackerearth, codechef etc. It will help you in solving problems

Skills evaluated in this interview

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Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via campus placement at Manipal University and was interviewed before Apr 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Basic aptitude test and 1 coding question, the portal was not running correctly, it was a basic math operation question

Round 2 - Technical 

(4 Questions)

  • Q1. What is a class
  • Ans. 

    A class is a blueprint for creating objects in object-oriented programming.

    • A class defines the properties and behaviors of objects.

    • Objects are instances of a class.

    • Classes can inherit properties and behaviors from other classes.

    • Encapsulation, inheritance, and polymorphism are key concepts in class-based programming.

  • Answered by AI
  • Q2. Explain types of oops concepts
  • Ans. 

    Object-oriented programming concepts include inheritance, encapsulation, polymorphism, and abstraction.

    • Inheritance: Allows a class to inherit properties and behavior from another class.

    • Encapsulation: Bundling data and methods that operate on the data into a single unit.

    • Polymorphism: Ability to present the same interface for different data types.

    • Abstraction: Hiding the complex implementation details and showing only the

  • Answered by AI
  • Q3. What is a process
  • Ans. 

    A process is a series of actions or steps taken to achieve a particular goal or outcome.

    • A process typically has a defined beginning and end.

    • It involves a sequence of tasks or activities that are interconnected.

    • Processes can be linear or iterative, depending on the nature of the goal.

    • Examples include software development process, manufacturing process, and decision-making process.

  • Answered by AI
  • Q4. What is multithreading
  • Ans. 

    Multithreading is a programming concept where multiple threads within a process execute independently to improve performance.

    • Allows for concurrent execution of multiple tasks within a single process

    • Improves performance by utilizing multiple CPU cores

    • Requires careful synchronization to avoid race conditions

    • Examples include web servers handling multiple client requests simultaneously

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - It is very easy, but do not go for this company if you are a fresher.

Skills evaluated in this interview

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TCS interview questions for designations

 Assistant System Engineer

 (413)

 System Engineer Hardware

 (66)

 System Software Engineer

 (3)

 System Engineer Analyst

 (2)

 Junior System Engineer

 (2)

 Linux System Engineer

 (1)

 System Administrator

 (30)

 System Analyst

 (11)

System Engineer Interview Questions & Answers

user image Kamal Nath

posted on 24 Oct 2022

I applied via Company Website and was interviewed in May 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Aptitude Test 

Quantitative Aptitude, Logical reasoning, Verbal Ability, Coding MCQs

Round 3 - Coding Test 

DSA, OOPS, DBMS, AI, Blockchain

Round 4 - Technical 

(3 Questions)

  • Q1. Difference between smart work & hard work?
  • Q2. Tell me about yourself?
  • Q3. What is flutter? Tell me about projects?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be consistent in upskilling & Be patient while applying.
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Get interview-ready with Top TCS Interview Questions

Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Feb 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

NQT round was there at first

Round 2 - One-on-one 

(5 Questions)

  • Q1. I was selected during covid time. They asked me 4 to 5 general questions about life and then hired me
  • Q2. What was you project in college
  • Q3. Whom do you respect most
  • Q4. Is there any technology that you might wanna work at
  • Q5. Why did you create project in machine learning
  • Ans. 

    I created a project in machine learning to improve the accuracy of a recommendation system.

    • To enhance the user experience by providing personalized recommendations

    • To optimize the efficiency of the system by automating the recommendation process

    • To leverage the power of data analysis and pattern recognition in making accurate predictions

    • To explore the potential of machine learning algorithms in solving real-world problem...

  • Answered by AI

Skills evaluated in this interview

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Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Aug 2022. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Basic question from preferred technology
Round 2 - Coding Test 

Managerial Round- Be humble nd postive

Round 3 - HR 

(1 Question)

  • Q1. What you did in your education gap

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't join TCS as fresher
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System Engineer interview

user image Prep Insta

posted on 16 Nov 2021

Assistant System Engineer interview
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Interview experience
4
Good
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before May 2023. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Core java, Spring Boot
Round 2 - Technical 

(1 Question)

  • Q1. Java 8, Stream Api
Round 3 - HR 

(1 Question)

  • Q1. Why do you want to switch
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Round 1 - Coding Test 

Questions levels were moderate

Round 2 - Technical 

(2 Questions)

  • Q1. Easy technical questions related to c language and projects
  • Q2. Malloc and calloc? what is union? code for factorial
  • Ans. 

    malloc and calloc are memory allocation functions in C. Union is a data type that allows storing different data types in the same memory location. Factorial is a mathematical operation.

    • malloc() allocates a block of memory of specified size and returns a pointer to the first byte of the block.

    • calloc() allocates a block of memory for an array of elements, initializes them to zero, and returns a pointer to the first byte ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - go through previous interview questions,its more than enough

Skills evaluated in this interview

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TCS Interview FAQs

How many rounds are there in TCS System Engineer interview for freshers?
TCS interview process for freshers usually has 2-3 rounds. The most common rounds in the TCS interview process for freshers are Technical, Aptitude Test and HR.
What are the top questions asked in TCS System Engineer interview for freshers?

Some of the top questions asked at the TCS System Engineer interview for freshers -

  1. What is the difference b/w Procedural Programming and OOP Concept? What are the...read more
  2. Explain Difference b/w Constructor and Method also write the code which can des...read more
  3. Model an upsetting(metal forming) operation. Explain the process parameters and...read more
How long is the TCS System Engineer interview process?

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

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TCS Interview Process

based on 56 interviews in last 1 year

3 Interview rounds

  • Technical Round 1
  • Technical Round 2
  • HR Round
View more

People are getting interviews through

based on 92 TCS interviews
Campus Placement
Company Website
Job Portal
WalkIn
Referral
41%
35%
13%
3%
1%
7% candidates got the interview through other sources.
High Confidence
?
High Confidence means the data is based on a large number of responses received from the candidates.
TCS System Engineer Salary
based on 1.1L salaries
₹1 L/yr - ₹9 L/yr
7% more than the average System Engineer Salary in India
View more details

TCS System Engineer Reviews and Ratings

based on 11.8k reviews

3.7/5

Rating in categories

3.5

Skill development

3.9

Work-Life balance

2.7

Salary & Benefits

4.7

Job Security

3.6

Company culture

2.6

Promotions/Appraisal

3.3

Work Satisfaction

Explore 11.8k Reviews and Ratings
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