TCS Interview Questions, Process, and Tips

First round is TCS NQT test, which contains 2 sections
1. Foundation section contains (Verbal, reasoning and quantitative questions)
2. Advanced section contains(Advance quant, advance reasoning and 2 coding questions)

If you clear this based on your marks and no of coding questions solved, you will get shortlisted for the interview.
I got shortlisted for the digital role for package of 7 LPA

Q1. This is MR and TR round , in that mostly I got the questions from my resume
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Q2. Introduce yourself and then started asking questions on my final year projects
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Q3. Java related questions based on OOPS concept, collections, HashMap internal implementation?
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Q4. Questions on Different skills that I mentioned on my resume, I answered all the questions correctly
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Q5. Questions on DBMS, Joins, and SQL query and asked me to write query on join opearations
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Q6. Asked to write the code for prime number and asked to optimize the code, I tried and they are okay with that
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Q7. Next then jumped on my achievements, as me with my team winner as SIH 2023, I got the questions based on the work we done, how we won, what are difficulties we faced there?
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Q8. Lastly MR asked me some questions, like what will you do, if you are team lead of small team and suddenly one major project comes in our organization and we want you to work there, how did you manage this?
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Q9. Lastly, they asked me am I aware about the AIML,I mentioned yes, But they didn't asked any question on that
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Q10. At last, I asked feedback. I suggest to all who is reading this, try to mention that things only in your resume that you're good in. and suggest you to follow top 100 codes of PrepInsta the first 15-20 ...read more
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Q1. Asked me to give my introduction
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Q2. Then asked same hr questions that you can check on google like are you comfortable with night shift, with any package, on any domain
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Q1. What are the steps to add a number at the end of a linked list?
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Q2. Arrange the array in ansecending order
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Q1. Asked about the company and what they do
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Q2. Asked about my research experience and how that will help their company
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Q3. Who is the CEO of TCS
Ans. 
Rajesh Gopinathan is the CEO of TCS.
• Rajesh Gopinathan took over as CEO of TCS in 2017.

• He has been with TCS since 2001 and has held various leadership roles.

• Under his leadership, TCS has continued to grow and expand globally.
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Q4. If i am comfortable working night shifts
Ans. 
Yes, I am comfortable working night shifts as I am able to maintain focus and productivity during those hours.
• I have previous experience working night shifts and have adapted well to the schedule

• I am a night owl and naturally more alert and productive during nighttime hours

• I understand the importance of maintaining a healthy work-life balance and am willing to adjust my schedule accordingly
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Q5. If i am okay with moving to any other part of the country
Ans. 
I am open to relocating anywhere in the country for the right opportunity.
• I am flexible and willing to consider opportunities in different locations.

• I believe in exploring new places and experiencing different cultures.

• I am excited about the possibility of starting fresh in a new city or state.
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Q6. Asked to write a code from my project (they asked only the first 5 lines basically just import statements)
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Just gave a three hour test which had aptitude questions and two coding questions and if u get one of the coding questions they will select you for sure

Q1. What is data analysis and data science?
Ans. 
Data analysis involves examining, cleaning, transforming, and modeling data to discover useful information, while data science involves using scientific methods, algorithms, and systems to extract knowledge and insights from data.
• Data analysis focuses on examining and interpreting data to make informed decisions.

• Data science involves using various techniques and algorithms to extract insights and knowledge from data.

• Da...read more
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Q2. What is array explain numpy in python?
Ans. 
An array in numpy is a grid of values, all of the same type, and is indexed by a tuple of nonnegative integers.
• Numpy is a popular Python library for numerical computing.

• Arrays in numpy can be created using the np.array() function.

• Arrays can have multiple dimensions, such as 1D, 2D, or even higher dimensions.

• Numpy arrays are more efficient than Python lists for numerical operations.

• Example: import numpy as np arr = np.a
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Q3. What is dataframe?
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Dataframe is a two-dimensional data structure in pandas that stores data in rows and columns.
• Dataframe is a key data structure in the pandas library for data manipulation and analysis

• It is similar to a table in a relational database or a spreadsheet in Excel

• Dataframes can be created from various data sources such as CSV files, databases, or dictionaries
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Q4. What is Power Bi
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Power BI is a business analytics tool by Microsoft that provides interactive visualizations and business intelligence capabilities.
• Power BI allows users to connect to various data sources and create interactive reports and dashboards.

• Users can easily share and collaborate on reports with others within their organization.

• It offers a wide range of visualization options to present data in a meaningful way.

• Power BI can be ...read more
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Q5. What are the data visulaztion tools?
Ans. 
Data visualization tools are software that help in creating visual representations of data to aid in understanding and analysis.
• Tableau

• Power BI

• QlikView

• Google Data Studio

• D3.js
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Q1. Difference between class and interfaces
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Q2. Types of SQL queries and ques related to DBMS
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Q1. Normal behavioral question
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Q2. Questions regarding goals and hobbies
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