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

- Data structure and algorithm

Q1. Prime number question
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Q2. Data structure and algorithm
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Q3. Prime number interview questions
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All the questions were not so tricky, few are tough, dont get stuck on one question.

Q1. Introduction, Coding, Rate yourself in coding, Logicial questions, Few questions related to the Fields from which you belong
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Q1. Introduction, why do you want to join, who is your role model, what is your Strength.
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National Qualifier Test is conducted

Q1. Prepare for TCS NQT
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Q2. Prepare OOPS concepts
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Q3. String manipulation in python
Ans. 
String manipulation in Python involves various operations like concatenation, slicing, and formatting.
• Use the '+' operator for concatenation: 'hello' + 'world'

• Use string slicing to extract specific parts of a string: 'hello'[1:4]

• Use string formatting to insert variables into a string: 'My name is {}' .format('Alice')
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Q4. Array operations
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Q5. Error handling in programming
Ans. 
Error handling in programming is the process of anticipating, detecting, and resolving errors in code to prevent crashes and unexpected behavior.
• Use try-catch blocks to handle exceptions and prevent program crashes.

• Validate user input to prevent unexpected errors.

• Use logging to track errors and debug code.

• Handle different types of errors separately for better error management.

• Use error codes or messages to provide feed...read more
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Two questions were asked. One is easy and Other one is medium type question. If you crack any one of the code with average performance in aptitude You will get Ninja or Digital interview.

Q1. Write any sorting technique with your preferred language.
Ans. 
One sorting technique is Bubble Sort in Python.
• Initialize a flag to track if any swaps are made in a pass

• Repeat until no swaps are made: Compare adjacent elements and swap if necessary

• Example: def bubble_sort(arr): for i in range(len(arr)): for j in range(0, len(arr)-i-1): if arr[j] > arr[j+1]: arr[j], arr[j+1] = arr[j+1], arr[j]
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Q2. Tell about OOPS concepts in brief.
Ans. 
OOPS concepts refer to Object-Oriented Programming concepts which include Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

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

• Abstraction: Hiding the complex implementation...read more
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Q3. Explain about your Mini Project.
Ans. 
Developed a web-based student management system using PHP and MySQL.
• Used PHP for backend development

• Implemented MySQL database for storing student information

• Included features like student registration, attendance tracking, and grade management
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