One app for all your study abroad needs
TCS Digital Interview Questions: Tata Consultancy Services (TCS) offers TCS Digital, a high-value employment program. It focuses on hiring talented and qualified graduates for technological positions that require advanced digital skills. TCS Digital’s selection procedure is more demanding than usual TCS recruitment, requiring a strong background in coding, problem-solving, and knowledge of digital technology. The TCS digital interview consists of two stages: an online assessment and technical and HR interview rounds. This blog will cover the 30+ common TCS Digital Interview Questions, as well as their answers and preparation tips, providing you with a thorough understanding of how to excel in the TCS Digital Interview.
This Blog Includes:
10 TCS Digital Interview Questions with Answers
To help you succeed in this interview, we have shared the top 10 TCS Digital Interview Questions with Answers.
Q.1. What is object-oriented programming (OOP) and what are its main principles?
Ans. OOP is a programming paradigm based on the concept of “objects” which contain data and code. The four main principles are Encapsulation, Abstraction, Inheritance and Polymorphism.
Q.2. How does a binary search algorithm work?
Ans. Binary search works on sorted arrays. It compares the target value with the middle element. If the target is equal, it returns the index. If the target is smaller, it repeats the search on the left half; if larger, on the right half.
Q.3 Explain the difference between an array and a linked list.
Ans. Arrays have a fixed size and store elements in contiguous memory, which allows fast access by index. Linked lists, on the other hand, consist of nodes with pointers to the next node and allow dynamic memory allocation.
Q.4. Describe ACID properties in databases.
Ans. ACID stands for Atomicity (all operations in a transaction are completed or none are), Consistency (data remains valid), Isolation (transactions are independent of each other), and Durability (once completed, a transaction remains even after power loss).
Q.5. Explain the difference between HTTP and HTTPS.
Ans. HTTP (HyperText Transfer Protocol) is a protocol for transferring data over the web. HTTPS (HTTP Secure) encrypts data using SSL/TLS, making it more secure by preventing unauthorized access during data transfer.
Q.6 What is the significance of cloud computing?
Ans. Cloud computing allows on-demand access to shared resources like servers, storage, and applications over the Internet, providing scalability, flexibility, and cost savings. It supports models like SaaS, PaaS, and IaaS.
Q.7. Explain inheritance and its types in OOP.
Ans. Inheritance allows a class to inherit properties and methods from another class. Types include Single Inheritance (one class inherits from another), Multiple Inheritance (a class inherits from multiple classes), and Multilevel Inheritance (inheritance across multiple levels).
Q.8. What is Big Data, and what are its characteristics?
Ans. Big Data refers to large and complex datasets that traditional data-processing tools cannot handle. It is characterized by Volume, Velocity, Variety, Veracity, and Value.
Q.9. What is polymorphism in OOP, and how is it achieved?
Ans. Polymorphism allows methods to perform differently based on the object invoking them. It’s achieved through method overloading and method overriding.
Q.10. What is normalization in databases, and why is it important?
Ans. Normalization is a technique used to organize database tables to reduce redundancy and dependency. It’s essential for maintaining data integrity and improving efficiency. Common forms of normalization are the First Normal Form (1NF), Second Normal Form (2NF), and Third Normal Form (3NF).
Also Read: How to Become a SAP Consultant: Salary, Jobs, Courses
30 Common TCS Digital Interview Questions
Here we have included the top 30 common TCS Digital Interview questions under their different categories that will help you to prepare for the interview accordingly.
Coding and Algorithm Questions
- Write a program to reverse a linked list.
- How does the merge sort algorithm work? Explain with a code example.
- Implement the binary search algorithm. Explain its time complexity.
- Explain the quicksort algorithm and implement it.
- What is the difference between a stack and a queue?
- What is dynamic programming? Solve a problem using DP, such as the Fibonacci series.
- Write a program to find the maximum element in an array.
- Explain the concept of recursion with an example.
Database Structures Questions
- Describe the main differences between an array and a linked list.
- What is normalization in databases, and why is it used?
- What is indexing in databases, and how does it improve performance?
- Explain the difference between the primary key and the foreign key.
- Explain the difference between UNION and UNION ALL in SQL.
- Explain the four types of joins in SQL.
- How would you find duplicate entries in a database table?
- What is a stored procedure, and when would you use it?
Object-oriented Programming Questions
- Explain the four principles of object-oriented programming.
- What is encapsulation, and why is it important?
- How does abstraction differ from encapsulation?
- Provide an example of a real-world scenario where inheritance can be applied.
- What is a constructor in OOP? What is its purpose?
- Explain the concept of inheritance and types of inheritance.
- What is the difference between method overloading and method overriding?
- What is a singleton class? How do you implement it?
Also Read: Bachelor of Information Technology [B.I.T.]
Digital and Cloud Computing Questions
- What is cloud computing? Explain its main service models: SaaS, PaaS, and IaaS.
- What are the benefits of using cloud storage?
- What is Hadoop, and what are its main components?
- What is DevOps, and why is it important in modern software development?
- Explain the differences between public, private, and hybrid clouds.
- Explain the concept of Big Data and its characteristics.
- Describe blockchain technology and its potential uses.
- How is artificial intelligence different from machine learning?
Behavioural and HR Questions for TCS Digital Interview
HR Questions are more about assessing your communication skills, career aspirations and adaptability in challenging environments. Here we have mentioned some of the questions that can be asked by HR in interview rounds.
- Tell me about yourself and why you want to join TCS Digital.
- Where do you see yourself in five years?
- What are your strengths and weaknesses?
- Describe a time when you faced a challenge and how you handled it.
- Why are you interested in digital technologies?
Also Read: Top 100 Interview Questions and Answers PDF, Sample
Tips for TCS Digital Interview Questions
TO succeeded in TCS Digiral Interview, you nmeed to keep the following points in your mind which are necessary along with interview questions itself.
- Practice Coding: Platforms like LeetCode, HackerRank, and CodeSignal provide competitive coding problems comparable to those encountered in TCS Digital. So, to be ready for the interview, practise your skills on these platforms.
- Strengthen Basic Subjects: Coding, data structures, algorithms, and databases are all essential skills for a technical job at TCS Digital, and you should be familiar with them before attending your interview.
- Revisie Digital Technology Basics: Familiarise yourself with areas such as cloud computing, machine learning, and big data, which are important in TCS Digital positions.
- Mock Interviews: Practise mock interviews with peers or use platforms such as Pramp to reduce anxiety and boost confidence.
- Be ready for Behavioural questions: Reflect on your goals, experiences, and strengths, and align with TCS’s values, to excel in answering behavioural questions.
TCS Digital is an amazing opportunity for anyone looking to build a career in digital technologies. While the questions may be difficult, you can review them to better understand the type of questions and boost your chances of success. Good luck, and with proper preparation, you’ll be well on your way to joining TCS Digital!
FAQs
Ans: Tata Consultancy Services (TCS) offers TCS Digital, a high-value employment program. It focuses on hiring talented and qualified graduates for technological positions that require advanced digital skills.
Ans: You should prepare for Coding and Algorithm, Digital and Cloud Computing, Database structure and object-oriented programming questions.
Ans: During the TCS Digital Interview, candidates’ technical skills are thoroughly assessed. This interview has the potential to be a success if well prepared. However, do not underestimate the importance of this interview and prepare accordingly.
Related Blogs:
For more such interesting content and some of the best tips on interview preparation, visit the career counselling page and follow Leverage Edu.
45,000+ students realised their study abroad dream with us. Take the first step today.
