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TCS Application Developer Interview Questions and Answers

Updated 23 Jun 2024

27 Interview questions

An Application Developer was asked
Q. What are the applications of DBMS?
Ans. 

DBMS is used to manage and organize data in various applications.

  • DBMS is used in banking systems to manage customer data and transactions.

  • It is used in e-commerce websites to store and retrieve product information.

  • DBMS is used in healthcare systems to manage patient records and medical data.

  • It is used in educational institutions to manage student information and academic records.

  • DBMS is used in airline reservation...

An Application Developer was asked
Q. What are the habits of a good software engineer?
Ans. 

Software engineers have habits that help them be productive and efficient.

  • Writing clean and maintainable code

  • Continuous learning and improvement

  • Collaborating with team members

  • Using version control systems

  • Testing and debugging code

  • Documenting code and processes

  • Following coding standards and best practices

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An Application Developer was asked
Q. What is an SMPS?
Ans. 

SMPS stands for Switched-Mode Power Supply.

  • It is an electronic power supply that uses a switching regulator to convert electrical power efficiently.

  • It is commonly used in computers, TVs, and other electronic devices.

  • It is smaller and lighter than traditional linear power supplies.

  • It can operate at high frequencies, reducing the size of transformers and capacitors.

  • It is more energy-efficient than linear power suppl...

An Application Developer was asked
Q. What is the difference between Windows OS and Ubuntu?
Ans. 

Windows OS is a proprietary operating system developed by Microsoft while Ubuntu is a free and open-source operating system based on Linux.

  • Windows OS is more widely used in desktops and laptops while Ubuntu is popular among developers and servers.

  • Windows OS has a graphical user interface (GUI) while Ubuntu can be used with or without a GUI.

  • Windows OS has a larger selection of software and games available while Ubu...

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🔥 Asked by recruiter 2 times
An Application Developer was asked
Q. What is type casting?
Ans. 

Type casting is the process of converting a variable from one data type to another.

  • It is also known as type conversion.

  • It can be done implicitly or explicitly.

  • Explicit type casting involves the use of casting operators.

  • Examples include converting an integer to a string or a float to an integer.

  • Type casting can lead to loss of data or precision.

An Application Developer was asked
Q. Describe the types of inheritance.
Ans. 

Inheritance is a mechanism in OOP where a new class is derived from an existing class.

  • Single Inheritance: A derived class inherits from a single base class.

  • Multiple Inheritance: A derived class inherits from multiple base classes.

  • Multilevel Inheritance: A derived class is created from another derived class.

  • Hierarchical Inheritance: Multiple derived classes inherit from a single base class.

  • Hybrid Inheritance: Combi...

An Application Developer was asked
Q. What is the difference between heap sort and insertion sort?
Ans. 

Heap sorting is a comparison-based sorting algorithm that divides the input into a sorted and an unsorted region, while insertion sorting builds the final sorted array one item at a time.

  • Heap sorting has a worst-case time complexity of O(n log n), while insertion sorting has a worst-case time complexity of O(n^2)

  • Heap sorting is not an in-place sorting algorithm, while insertion sorting is

  • Heap sorting is more effic...

Are these interview questions helpful?
An Application Developer was asked
Q. What is the source code for a doubly linked list?
Ans. 

The source code for doubly linked list is a data structure that contains nodes with pointers to the previous and next nodes.

  • Declare a node struct with data, prev, and next pointers

  • Create a head and tail pointer to the first and last nodes

  • Implement functions to add, remove, and traverse nodes

An Application Developer was asked
Q. What is the difference between different kinds of Linux OS?
Ans. 

Different Linux OS have different features, package managers, and user interfaces.

  • Linux distributions have different package managers, such as apt, yum, and pacman.

  • Some distributions are designed for specific purposes, such as Kali Linux for penetration testing.

  • User interfaces can vary greatly, with some distributions using GNOME, KDE, or Xfce.

  • Some distributions are more lightweight and optimized for older hardwar...

🔥 Asked by recruiter 16 times
An Application Developer was asked
Q. What is cloud computing?
Ans. 

Cloud computing is the delivery of computing services over the internet.

  • Cloud computing allows users to access data and applications from anywhere with an internet connection.

  • It eliminates the need for physical servers and hardware, reducing costs and increasing scalability.

  • Examples include Amazon Web Services, Microsoft Azure, and Google Cloud Platform.

TCS Application Developer Interview Experiences

18 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Oops concepts in java
  • Ans. 

    Oops concepts in Java refer to Object-Oriented Programming principles like Inheritance, Polymorphism, Encapsulation, and Abstraction.

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

    • Polymorphism: Allows objects to be treated as instances of their parent class.

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

    • Abstraction: Hides the implementation detail...

  • Answered by AI
  • Q2. Core Java concepts

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

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 

Quantitative
Reasoning
Verbal
Coding

Round 3 - Technical 

(1 Question)

  • Q1. Questions are mostly from java
Round 4 - HR 

(1 Question)

  • Q1. Basic HR questions like willing to relocate etc...
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Aptitude Test 

1 person work complete 1 day and find 5 persons complete that work howmuch

Round 3 - Coding Test 

What is the syntax of create table

Round 4 - Technical 

(1 Question)

  • Q1. What are the applications of dbms
  • Ans. 

    DBMS is used to manage and organize data in various applications.

    • DBMS is used in banking systems to manage customer data and transactions.

    • It is used in e-commerce websites to store and retrieve product information.

    • DBMS is used in healthcare systems to manage patient records and medical data.

    • It is used in educational institutions to manage student information and academic records.

    • DBMS is used in airline reservation syst...

  • Answered by AI
Round 5 - HR 

(1 Question)

  • Q1. What are habits of software engineer
  • Ans. 

    Software engineers have habits that help them be productive and efficient.

    • Writing clean and maintainable code

    • Continuous learning and improvement

    • Collaborating with team members

    • Using version control systems

    • Testing and debugging code

    • Documenting code and processes

    • Following coding standards and best practices

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Please think and tell right answers your interviewer

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Jan 2022. There were 2 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 - One-on-one 

(3 Questions)

  • Q1. Basic c++ and oops concepts
  • Q2. Basic coding skills check
  • Q3. Project architecture and day to day activities
  • Ans. 

    Explanation of project architecture and daily tasks for an application developer.

    • Project architecture involves designing and implementing the overall structure of the application.

    • Daily tasks may include coding, testing, debugging, and collaborating with team members.

    • Application developers may also be responsible for maintaining and updating existing applications.

    • They may need to stay up-to-date with new technologies an...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and calm to go through the process
Interview experience
4
Good
Difficulty level
Moderate
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 - One-on-one 

(1 Question)

  • Q1. Basic questions
Round 2 - HR 

(1 Question)

  • Q1. Expected salary
  • Ans. 

    I expect a salary that reflects my skills, experience, and the industry standards for an Application Developer.

    • Research industry standards: For example, Glassdoor or Payscale can provide insights into average salaries for similar roles.

    • Consider my experience level: With 5 years of experience, I would expect a salary in the range of $80,000 to $100,000.

    • Factor in location: Salaries can vary significantly based on the cos...

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Basic introduction
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 May 2023. There was 1 interview round.

Round 1 - Coding Test 

They were mostly asking based on resume and any one programming language basics and CS fundamentals.

Interview Preparation Tips

Interview preparation tips for other job seekers - Just be strong at fundamentals, have good grip on any one programming language. Having some projects is a plus always.

Interview Questionnaire 

3 Questions

  • Q1. Mostly basic questions about the language which you mentioned in resume be prepared for that.And read all basic concept about project which you mentioned in your resume.
  • Q2. Be prepared with information about Tcs orgnazation.
  • Q3. Speak confidantly and should accept that qustion which you really don't know about them

Interview Questionnaire 

1 Question

  • Q1. Why should we hire you is one of the questione you are asked.?

Interview Questionnaire 

3 Questions

  • Q1. Write a code for arranging numbers in sorted order
  • Ans. 

    Code for arranging numbers in sorted order

    • Use a sorting algorithm like bubble sort, insertion sort, or quicksort

    • Determine if the numbers are integers or floating point numbers

    • Consider the size of the input array and the time complexity of the algorithm

    • Check for edge cases like empty array or array with only one element

  • Answered by AI
  • Q2. What is Data Mining
  • Ans. 

    Data mining is the process of discovering patterns and insights from large datasets.

    • It involves using statistical and machine learning techniques to analyze data

    • The goal is to extract useful information and knowledge from the data

    • Examples include identifying customer buying patterns or predicting stock prices

    • Data mining can also be used in fields such as healthcare to identify disease risk factors

  • Answered by AI
  • Q3. What is a need of compiler
  • Ans. 

    Compiler is needed to translate high-level programming language code into machine code.

    • Compilers are used to convert human-readable code into machine-readable code.

    • They help in detecting errors and bugs in the code before execution.

    • Compilers optimize the code for better performance and efficiency.

    • Examples of compilers include GCC, Clang, and Visual C++.

  • Answered by AI

Interview Preparation Tips

Skills:
College Name: Anna University Chennai

Skills evaluated in this interview

Interview Questionnaire 

4 Questions

  • Q1. What is the difference between window os and ubuntu
  • Ans. 

    Windows OS is a proprietary operating system developed by Microsoft while Ubuntu is a free and open-source operating system based on Linux.

    • Windows OS is more widely used in desktops and laptops while Ubuntu is popular among developers and servers.

    • Windows OS has a graphical user interface (GUI) while Ubuntu can be used with or without a GUI.

    • Windows OS has a larger selection of software and games available while Ubuntu h...

  • Answered by AI
  • Q2. What are the  advantages and disadvantages of open source software
  • Q3.  The use of 64 bit architecture
  • Ans. 

    64-bit architecture allows for larger memory addressing and faster processing speeds.

    • 64-bit architecture can address more memory than 32-bit architecture

    • 64-bit architecture can perform more calculations per clock cycle

    • 64-bit architecture is required for certain software applications, such as video editing or scientific simulations

  • Answered by AI
  • Q4. Different questions were asked on the basis of resume

Interview Preparation Tips

Skills:
College Name: Anna University Chennai

Skills evaluated in this interview

TCS Interview FAQs

How many rounds are there in TCS Application Developer interview?
TCS interview process usually has 2-3 rounds. The most common rounds in the TCS interview process are HR, Resume Shortlist and Technical.
How to prepare for TCS Application Developer 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 Application Development, C#, Cobol, JCL and Javascript.
What are the top questions asked in TCS Application Developer interview?

Some of the top questions asked at the TCS Application Developer interview -

  1. What is software devlopement life cycle and why testing is do...read more
  2. What is the difference between heap sorting and insertion sort...read more
  3. What is the  source code for doubly linked l...read more

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Overall Interview Experience Rating

4.2/5

based on 5 interview experiences

Difficulty level

Moderate 100%

Duration

Less than 2 weeks 33%
2-4 weeks 67%
View more
TCS Application Developer Salary
based on 620 salaries
₹2.3 L/yr - ₹11 L/yr
49% less than the average Application Developer Salary in India
View more details

TCS Application Developer Reviews and Ratings

based on 48 reviews

4.0/5

Rating in categories

3.8

Skill development

4.1

Work-life balance

2.8

Salary

4.6

Job security

3.9

Company culture

2.6

Promotions

3.7

Work satisfaction

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