TCS Interview Questions, Process, and Tips

Q1. Diff b/w protractor and selenium
Ans. 
Protractor is a testing framework specifically for Angular applications, while Selenium is a general-purpose testing tool for web applications.
• Protractor is built on top of WebDriverJS and is designed to test Angular applications.

• Selenium is a standalone testing tool that supports multiple programming languages and browsers.

• Protractor has built-in support for Angular-specific locator strategies like ng-model, ng-bindin...read more
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Q2. What is module.exports
Ans. 
module.exports is a special object in Node.js that allows you to export functions, objects, or primitive values from a module.
• Used to export functions, objects, or primitive values from a module

• Can be assigned directly to a function, object, or value to be exported

• Commonly used in Node.js to create reusable modules
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Q3. What is page object model
Ans. 
Page Object Model is a design pattern used in test automation to create an object repository for web elements on a web page.
• It helps in creating reusable and maintainable code for automated tests.

• Each web page is represented as a class, and the elements on the page are defined as variables within the class.

• Methods are created to perform actions on these elements, making the tests more readable and easier to maintain.

• Pa...read more
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Q1. Why you want to join TCS
Ans. 
I want to join TCS because of its reputation for innovation and global presence.
• TCS is known for its cutting-edge technology solutions

• Opportunity to work on diverse projects with global clients

• Career growth and development opportunities

• Positive work culture and employee benefits
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Q1. It was a good experience
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Q2. 1. Find if a number belongs to a Fibonacci series
Ans. 
Check if a number belongs to Fibonacci series
• Check if the given number is a perfect square

• If yes, check if 5*n^2 + 4 or 5*n^2 - 4 is a perfect square

• If yes, then the number belongs to Fibonacci series
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Q3. 2. What are decorators in Python
Ans. 
Decorators are functions that modify the behavior of other functions without changing their source code.
• Decorators are denoted by the '@' symbol followed by the decorator function name

• They can be used to add functionality to a function, such as logging or timing

• They can also be used to modify the behavior of a function, such as adding caching or authentication

• Decorators can be stacked on top of each other to apply mult...read more
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Q4. 3. Find the sum of all numbers from a list except self
Ans. 
Sum all numbers in a list except self
• Iterate through the list and add all numbers except the current one

• Use a loop or built-in functions like sum() and list comprehension
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Q5. 4. Design url shortner
Ans. 
A URL shortener is a tool that takes a long URL and creates a shorter, more manageable link.
• Generate a unique short code for each long URL

• Store the short code and long URL in a database

• Redirect users to the long URL when they visit the short URL

• Track clicks and provide analytics for each short URL
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The question was very tricky.

Q1. Asked about language
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Q1. Asked about personal information
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Aptitude questions easy level

Basic dsa coding questions

There were three sections ,Quantitative aptitude, Reasoning and English. In quant they asked about number system, profit and loss, time and work, statistics. In reasoning both verbal and non verbal questions they asked. They set timer for each questions

There were two questions.

Q1. What is operating system? Difference between compiler and interpretor? One byte is how many bit? What is Machine language? What is the function of assembler ? What are the different types of operating syst...read more
Ans. 
Operating system is a software that manages computer hardware and software resources.
• Compiler translates high-level language code to machine code while interpreter executes code line by line.

• One byte is equal to 8 bits.

• Machine language is a low-level programming language consisting of binary code.

• Assembler converts assembly language code to machine code.

• Types of operating system include Windows, macOS, Linux, and Unix.

• ...read more
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Q1. Tell me something about yourself ? why do you want to join our company? Why do you want to switch your career to IT? where do you want to see yourself in 5years? Why should we hire you ?
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I was applied thorough TCS NQT and get qualified for Super ninja interview and got selected.