TCS Associate Engineer Interview Questions, Process, and Tips

Basic aptitude is enough

Dsa medium level is enough

Q1. Salary expectations
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Q2. About company
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It was easy, logical, maths and English questions were asked

Two coding questions where asked

Q1. Technical questions related to 4th year project were asked also had HR and managerial interview in same round
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Easy questions on aptitude and from English language

Easy to moderate two coding questions mostly from arrays and strings

Nqt test conducted and needed to attempt all questions

Q1. How to execute Java program
Ans. 
To execute a Java program, compile the source code using the javac command and then run the compiled code using the java command.
• Open a command prompt or terminal

• Navigate to the directory where the Java source code file is located

• Compile the source code using the javac command: javac YourProgram.java

• Run the compiled code using the java command: java YourProgram

• Ensure that the Java Development Kit (JDK) is installed and
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Q2. Explain abt oops concept
Ans. 
Object-oriented programming (OOP) is a programming paradigm that organizes code into objects with properties and behaviors.
• OOP focuses on creating reusable code by using classes and objects.

• Encapsulation, inheritance, and polymorphism are key principles of OOP.

• Encapsulation hides the internal details of an object and provides a public interface.

• Inheritance allows classes to inherit properties and behaviors from other c...read more
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Q1. Explain cache memory
Ans. 
Cache memory is a small, high-speed memory unit located between the CPU and main memory, used to store frequently accessed data and instructions.
• Cache memory is faster than main memory, allowing for quicker access to data.

• It helps improve overall system performance by reducing the time needed to access data.

• There are different levels of cache memory (L1, L2, L3) with varying sizes and speeds.

• Examples of cache memory in
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Q2. Bubble and insertion sort
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Q3. Explain objects and classes
Ans. 
Objects are instances of classes in object-oriented programming, representing real-world entities with properties and behaviors.
• Objects are instances of classes, which act as blueprints for creating objects.

• Classes define the properties and behaviors of objects.

• Objects can have attributes (properties) and methods (behaviors).

• Example: Class 'Car' defines properties like 'color' and 'model', and methods like 'drive' and ...read more
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Q4. Explain Polymorphism
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Polymorphism is the ability of a function or method to behave differently based on the object it is called with.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Animal class with methods like eat() can be inherited by classes like Dog and Cat, which can override
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Q5. OOPs, DBMS related
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