TCS Digital Interview Questions, Process, and Tips

Aptitude questions along with 2 coding questions

Q1. Explain your projects.
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Q2. What is cloud computing?
Ans. 
Cloud computing is the delivery of computing services over the internet, including storage, servers, databases, networking, software, and more.
• Cloud computing allows users to access and use resources on-demand without the need for physical infrastructure.

• Examples of cloud computing services include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.

• Cloud computing offers scalability, flexibility, cos...read more
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Q1. Why did you choose TCS?
Ans. 
I chose TCS for its global presence, diverse opportunities, and strong reputation in the IT industry.
• Global presence with offices in multiple countries

• Diverse opportunities for career growth and development

• Strong reputation in the IT industry for quality services

• Positive reviews from current and former employees
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Q2. Are you comfortable with relocation?
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Easy-medium,It was offline drive that is NQT where they awanted to hire 40k people

1 Easy and 1 Medium Leetcode codes are asked atleast 1 should be solved

Q1. About SQL and Databases
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Q2. About Javascript and Event handlings
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Q3. Python and OOPS
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Q1. About Hobbies and Interests
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Q2. About Company and shifts related
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It was moderate level coding question.

Q1. What is OSI model.
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2 Coding Questions along with aptitude

Q1. OOP, DBMS, Linux Commands, Prime Number.
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Q2. Check if a number is a palidrome or not.
Ans. 
A palindrome number is the same when read forwards and backwards.
• Convert the number to a string to easily check for palindrome

• Reverse the string and compare it with the original string

• If they are the same, the number is a palindrome
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If you have basic aptitude skills, you can crack easily

First code is pretty easy, second one is pretty hard

Q1. Python based questions
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Q2. SQL and project based questions
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2 coding questions level easy and medium respectively

Q1. Sql code update first letter to upper case
Ans. 
Use SQL UPDATE statement with CONCAT and UPPER functions to update first letter to upper case.
• Use UPDATE statement to modify the data in the table

• Use CONCAT function to combine the UPPER function with the rest of the string

• Use UPPER function to convert the first letter to upper case
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Q2. Form code with password encryption
Ans. 
Use hashing algorithms like bcrypt to securely encrypt passwords in code.
• Use a secure hashing algorithm like bcrypt to encrypt passwords in code.

• Never store passwords in plain text.

• Salt the passwords before hashing for added security.

• Implement proper password storage and validation techniques.

• Example: bcrypt.hashSync('password', 10)
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Q1. About your internship experience
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Q2. What you know about tcs
Ans. 
TCS is a multinational IT services and consulting company headquartered in India.
• TCS stands for Tata Consultancy Services

• It is one of the largest IT services companies in the world

• TCS offers services in areas such as consulting, software development, and business process outsourcing
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