TCS Assistant System Engineer Trainee Interview Questions, Process, and Tips

Q1. Find leader array
Ans. 
A leader array is an array where each element is greater than all the elements to its right.
• Iterate through the array from right to left

• Keep track of the maximum element encountered so far

• If the current element is greater than the maximum element, add it to the leader array
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Q1. Simple c programming questions
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Q2. Some aptitude related questions
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Q1. Difference btw List and tuple
Ans. 
List is mutable, tuple is immutable in Python.
• List can be modified after creation, tuple cannot

• List uses square brackets [], tuple uses parentheses ()

• List is used for collections of items that may change, tuple for fixed collections
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English , Reasoning , Maths, and coding questions

Time - 90 min, for 2 coding questions and have the aptitude of 90 min

Q1. Introduction ---> Prepare your intro before hand
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Q2. Explain the concepts of OOPS with example
Ans. 
OOPS stands for Object-Oriented Programming Concepts. It includes concepts like inheritance, polymorphism, encapsulation, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class. Example: Animal class can be inherited by Dog class.

• Polymorphism: Allows objects to be treated as instances of their parent class. Example: A shape class can have different subclasses like Circle, Squa...read more
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Aptitude, logical and technical questions with coding asked

Q1. Write a sample sql query to fetch data from two tables
Ans. 
SQL query to fetch data from two tables
• Use JOIN keyword to combine data from two tables

• Specify the columns you want to retrieve in the SELECT statement

• Use ON clause to specify the relationship between the tables
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Q2. What are oops concepts
Ans. 
Object-oriented programming concepts that focus on data encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: bundling data and methods that operate on the data into a single unit

• Inheritance: ability of a class to inherit properties and behavior from another class

• Polymorphism: ability to present the same interface for different data types

• Abstraction: hiding the complex implementation details and show
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Q1. Question on relocation
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Q2. Flexibility for shifts
Ans. 
I am flexible and willing to work different shifts as required by the job.
• I am open to working early morning, evening, or night shifts

• I understand the importance of being available for different shifts to support the team

• I am willing to adjust my schedule to meet the needs of the project or organization
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