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

Normal quants, integer, percentage, logical, pipes and cisterns, trains

Easy DSA, array and linked list questions

Q1. About yourself, final year project, gk, about btech, family etc
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Q2. About your favourite subject, some questions from there
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From basics to advanced DSA. consists of 3 questions with increasing difficulty level

Q1. All the basics of an OOPs programming language (C++, Python).
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Q2. DBMS basics, query was asked for the given question
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Consisted of Aptitude, reasoning, english and two coding questions

Q1. Write a program to print a Fibonacci series
Ans. 
Program to print Fibonacci series in Python
• Initialize variables for first two numbers in the series (0 and 1)

• Use a loop to calculate and print the next number by adding the previous two numbers

• Continue the loop until the desired number of terms is reached
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Q2. Differentiate between Overloading and overriding
Ans. 
Overloading is when multiple methods have the same name but different parameters, while overriding is when a subclass provides a specific implementation of a method in its superclass.
• Overloading involves multiple methods with the same name but different parameters

• Overriding involves a subclass providing a specific implementation of a method in its superclass

• Overloading is determined at compile time, while overriding is
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Q3. What are the features of OOPS ?
Ans. 
OOPS (Object-Oriented Programming System) features include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability to create a new class by inheriting attributes and methods from an existing class.

• Polymorphism: Ability to use a single interface to represent different data types or objects.

• Abstraction: Hid...read more
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Q4. Differentiate between call by reference and call by value
Ans. 
Call by reference passes the address of the variable as an argument, while call by value passes the value of the variable.
• Call by reference allows the function to modify the actual value of the variable passed as an argument.

• Call by value only allows the function to work with a copy of the variable's value.

• Example: In call by reference, changes made to the parameter inside the function will reflect outside the function...read more
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Q5. What is Inheritance? What is a parent class ?
Ans. 
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class, known as the parent class.
• Inheritance allows for code reusability and promotes the concept of hierarchical classification.

• A parent class is also known as a base class or superclass.

• Child classes can inherit attributes and methods from the parent class.

• Example: If we have a parent class 'Animal' w...read more
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Q6. Is Java a method based programming language or a function based programming language?
Ans. 
Java is a method based programming language.
• Java is a method based programming language because it relies on methods (functions) to perform actions.

• In Java, functions are defined within classes and are called using objects or class names.

• Example: public void printMessage() { System.out.println("Hello, World!"); }
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Q1. Tell me something about yourself
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Q2. Why are you planning to join TCS ?
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Q3. You do know that there's an employment bond of 1 year . Don't you ? Are you comfortable with that ?
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The first round consists of 30 aptitude, 30 logical reasoning and 30 english grammar questions(passage answers, synonyms, fill in the blanks etc) after the section 1 submission.. You would be redirected to coding section where you would have 2 coding questions which you need to solve based on which you would be selected for ninja or digital

Q1. You would be asked basic dsa questions on arrays, strings, Math and sorting algorthims and searching algorithms.
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Q2. You would be asked sql questions based on joins.
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Q3. You could be asked questions on your projects so prepare them well
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Q4. I was asked basic questions on html, css and js too.
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Q1. A brief introduction about yourself?
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for technology.
• Graduated with a Bachelor's degree in Computer Science

• Strong interest in technology and programming

• Completed internships in software development

• Proficient in programming languages such as Java and Python
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Q2. Behavorial questions why do you want to join tcs and so on etc..?
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Q1. Just need to have basic understanding
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Q2. JAVA PYTHON SQL
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Q1. Just questions like comfortable with location and all.
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Easy to moderate , normal maths, English , logical questions

2 codes, 1 very easy, 1 high level, 15 mcq

Q1. Very basic questions from resume, very easy to answer if you are aware
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Q1. Only formalities, nothing hard, documents verification
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