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TCS Associate Engineer Interview Questions and Answers for Freshers

Updated 22 Aug 2024

Q1. How many types of conductors are there

Ans.

There are two main types of conductors: metallic conductors and electrolytic conductors.

  • Metallic conductors: materials like copper, aluminum, and gold that allow the flow of electricity with minimal resistance.

  • Electrolytic conductors: materials like electrolyte solutions that conduct electricity through the movement of ions.

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Q2. Sort array and return the array

Ans.

Sort array of strings and return the sorted array

  • Use built-in sort function in the programming language of choice

  • Ensure to specify the sorting order (ascending or descending)

  • Handle edge cases like empty array or array with single element

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Q3. What is current react version

Ans.

The current version of React is 17.0.2

  • Current version is 17.0.2

  • React follows semantic versioning

  • Always check official documentation for latest version

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Q4. how to configure redux

Ans.

Redux can be configured by creating a store, defining reducers, and connecting components.

  • Create a Redux store using createStore() function from Redux library

  • Define reducers to specify how the state should change in response to actions

  • Use combineReducers() to combine multiple reducers into a single reducer function

  • Connect components to the Redux store using connect() function from react-redux library

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Q5. 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 the PATH environment variable is set correctly

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Q6. Give the most repeated number

Ans.

The most repeated number in an array

  • Iterate through the array and keep track of the frequency of each number

  • Find the number with the highest frequency

  • Return that number as the most repeated number

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Q7. 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 classes.

  • Polymorphism enables objects to take on multiple fo...read more

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Interview Process at TCS Associate Engineer for Freshers

based on 4 interviews
1 Interview rounds
Aptitude Test Round
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