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TCS Assistant System Engineer Trainee Interview Questions, Process, and Tips

Updated 8 Mar 2025

Top TCS Assistant System Engineer Trainee Interview Questions and Answers

  • Q1. #include int main() { int any = ' ' * 10; printf("%d", any); return 0; } What is the output?
  • Q2. Compute the nearest larger number by interchanging its digits updated.Given 2 numbers a and b find the smallest number greater than b by interchanging the digits of a and ...read more
  • Q3. Difference between Structure and Union in C programming language, What is OOPs and it’s features ?
View all 224 questions

TCS Assistant System Engineer Trainee Interview Experiences

374 interviews found

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

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

Round 1 - Aptitude Test 

Basic Aptitude test which assess your number crunching and English language skills

Round 2 - Technical 

(1 Question)

  • Q1. Basic programming language questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Cover all the basics and have confidence while speaking
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Oct 2022. There were 3 interview rounds.

Round 1 - Aptitude Test 

It went well i solve the aptitude problem and got shortlisted

Round 2 - Technical 

(1 Question)

  • Q1. Some basic coding questions
Round 3 - HR 

(1 Question)

  • Q1. It was in physical i have to present in hr which was in my college

Interview Preparation Tips

Interview preparation tips for other job seekers - Just clear the first round and the next round are easy compared to first round

Assistant System Engineer Trainee Interview Questions Asked at Other Companies

asked in TCS
Q1. #include int main() { int any = ' ' * 10; printf("%d", any); retu ... read more
asked in TCS
Q2. Compute the nearest larger number by interchanging its digits upd ... read more
asked in TCS
Q3. Difference between Structure and Union in C programming language, ... read more
asked in TCS
Q4. Write a program to find a number that is palindrome or not ?
asked in TCS
Q5. Basic print function of python and OOPS concept explanation
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Aug 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

It was tough. Time constraints are there.

Round 2 - Coding Test 

It consists of medium to hard questions.

Round 3 - HR 

(2 Questions)

  • Q1. Describe about your self
  • Ans. 

    I am a recent graduate with a degree in Computer Science, passionate about technology and eager to learn and grow in the field of system engineering.

    • Recent graduate with a degree in Computer Science

    • Passionate about technology and eager to learn and grow

    • Interested in system engineering

  • Answered by AI
  • Q2. Asked technical questions based on C++, DBMS, OS

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't go for it
Interview experience
4
Good
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

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

Round 1 - Aptitude Test 

Verbal, Logical quantitative aptitude with 2 coding questions

Round 2 - Technical 

(5 Questions)

  • Q1. Basic questions that we learn during graduation. They will ask which language we are comfortable in and then they will ask questions based on that.
  • Q2. Java collection
  • Q3. Java multithreading
  • Q4. Basic Java questions
  • Q5. Operating system

TCS interview questions for designations

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 (7)

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 (1)

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 (1)

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 (380)

 Associate System Engineer Trainee

 (3)

 System Assistant

 (1)

 Trainee System Administrator

 (1)

 System Analyst Trainee

 (1)

Interview experience
3
Average
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before Jun 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Online aptitude test that contains aptitude, logical reasoning, English, 2 coding questions easy to medium

Round 2 - Technical 

(2 Questions)

  • Q1. Brief about your project
  • Q2. Questions on python(loops, data structures), HTML,CSS

Interview Preparation Tips

Topics to prepare for TCS Assistant System Engineer Trainee interview:
  • python
  • sql
  • frontend

Get interview-ready with Top TCS Interview Questions

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

I applied via Campus Placement and was interviewed before Oct 2022. There were 3 interview rounds.

Round 1 - Coding Test 

Simple program for palindrome number

Round 2 - Technical 

(1 Question)

  • Q1. Java basics,sql joins
Round 3 - HR 

(2 Questions)

  • Q1. Gk questions on states and their capital
  • Q2. Why do you want to join TCS

I applied via Campus Placement 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 tips
Round 2 - Aptitude Test 

Aptitude, reasoning and verbal qstns

Round 3 - Technical 

(3 Questions)

  • Q1. Why do your prefer an IT job?
  • Q2. Basic Coding questions in the language we prefer
  • Q3. What is the operating system in your laptop?
  • Ans. 

    The operating system in my laptop is Windows 10.

    • My laptop runs on Windows 10 operating system.

    • Windows 10 is a popular operating system developed by Microsoft.

    • It has a user-friendly interface and supports a wide range of software applications.

    • Some of the key features of Windows 10 include Cortana, Microsoft Edge, and virtual desktops.

  • Answered by AI
Round 4 - HR 

(3 Questions)

  • Q1. Are you ready to relocate?
  • Q2. Mention your strength and weakness
  • Q3. Tell me about yourself

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and say what your really know. Stay calm and prepare well. All the best!!

Skills evaluated in this interview

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

I applied via Referral and was interviewed before Jun 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

1 hr Online Test based on basic mathematics and logic

Round 2 - One-on-one 

(1 Question)

  • Q1. Basic Logic Questions based on stream. If from non IT / CS background - focused on the vertical one is being interviewed for. For IT/CS - coding questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be well dressed, well spoken and well mannered. It may be the first interview of your life, so some stress is natural. But TCS is a mass recruiter, so its a hit or a miss
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

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

Round 1 - Aptitude Test 

40 minutes 20 questions

Round 2 - One-on-one 

(2 Questions)

  • Q1. What projects you have worked on?
  • Q2. Explain your projects?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be aware of what you have worked on, that's enough
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Jun 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Describe main() in java?
  • Ans. 

    main() is the entry point of a Java program where execution begins.

    • main() method must be declared as public, static, and void.

    • It must accept an array of strings as an argument.

    • It is the starting point of execution for a Java program.

    • Example: public static void main(String[] args) { }

  • Answered by AI
  • Q2. Explain Oops Concept in java.
  • Ans. 

    Oops concept in Java refers to Object-Oriented Programming principles like 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 of a method to do different things based on the object it is acting upon.

    • Abstraction: Hiding the imp...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for TCS Assistant System Engineer Trainee interview:
  • Oops
  • Basics

Skills evaluated in this interview

TCS Interview FAQs

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

Some of the top questions asked at the TCS Assistant System Engineer Trainee interview -

  1. Difference between Structure and Union in C programming language, What is OOPs ...read more
  2. Basic print function of python and OOPS concept explanat...read more
  3. Write a program to print addition of two numbers such that if no number is inpu...read more
How long is the TCS Assistant System Engineer Trainee interview process?

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

Tell us how to improve this page.

TCS Assistant System Engineer Trainee Interview Process

based on 239 interviews

6 Interview rounds

  • Aptitude Test Round
  • Technical Round - 1
  • Technical Round - 2
  • HR Round - 1
  • HR Round - 2
  • HR Round - 3
View more

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TCS Assistant System Engineer Trainee Salary
based on 5.6k salaries
₹2.8 L/yr - ₹4.8 L/yr
At par with the average Assistant System Engineer Trainee Salary in India
View more details

TCS Assistant System Engineer Trainee Reviews and Ratings

based on 702 reviews

3.8/5

Rating in categories

3.5

Skill development

3.8

Work-life balance

2.9

Salary

4.5

Job security

3.7

Company culture

2.9

Promotions

3.2

Work satisfaction

Explore 702 Reviews and Ratings
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