Tata Elxsi Interview Questions, Process, and Tips

It has medium sort of questions, based on maths, English.

It has two questions one is easy and another one is medium difficulty.

Was quite easy to crack with 65 questions mix of quantitative aps , loical reasoning, domain test and verbal

Very simple questions 3 in numbers and beginner friendly

Q1. Depends on ur resume whether it is easy or tough and also the HR .......... i got a cool Hr ............there will be a pen and paper check for testing ur coding skills
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Q2. What is run-time polymorphism? what is SQL and RDBMS? What is the concept of inheritance and real time examples? code for a program to reverse a string
Ans. 
Run-time polymorphism is the ability of a method to do different things based on the object it is acting upon.
• Run-time polymorphism is achieved through method overriding in Java.

• It allows a subclass to provide a specific implementation of a method that is already provided by its superclass.

• Example: Animal class has a method 'makeSound'. Dog and Cat classes can override this method to make different sounds.
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Q1. Basic hr questions
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Q1. Why product management?
Ans. 
Passion for creating innovative products and solving customer problems drives my interest in product management.
• Passion for innovation and problem-solving

• Desire to create products that meet customer needs

• Interest in market research and strategy development

• Enjoy collaborating with cross-functional teams

• Excitement for driving product success and growth
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Quantitative, Logical, & ,Verbal

2 easy to medium level coding problems

Q1. Questions on SQL Joins
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Q2. Questions on Python
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Q1. General HR questions
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Q2. Discussion on projects and internships
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Q1. What are pointers in c
Ans. 
Pointers in C are variables that store memory addresses. They are used to manipulate data and create dynamic data structures.
• Pointers allow direct access to memory locations

• They are used for dynamic memory allocation

• Pointers can be used to pass arguments by reference

• They enable the creation of complex data structures like linked lists and trees
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Q1. Swap two numbers without using temp variable
Ans. 
Swap two numbers without using a temp variable
• Use arithmetic operations like addition and subtraction to swap the numbers

• Example: a = 5, b = 10. a = a + b (a = 15), b = a - b (b = 5), a = a - b (a = 10)

• Another example: a = 3, b = 7. a = a + b (a = 10), b = a - b (b = 3), a = a - b (a = 7)
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Q2. What is waterfall model
Ans. 
Waterfall model is a linear sequential software development process.
• It follows a step-by-step approach where progress flows in one direction, like a waterfall.

• Each phase must be completed before moving on to the next phase.

• Examples of phases in waterfall model: requirements, design, implementation, testing, deployment.
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Q3. Explain about gradient descent algorithm
Ans. 
Gradient descent is an optimization algorithm used to minimize a function by iteratively moving towards the direction of steepest descent.
• Gradient descent is commonly used in machine learning to optimize the parameters of a model by minimizing the cost function.

• It works by calculating the gradient of the cost function with respect to each parameter and updating the parameters in the opposite direction of the gradient.

• T...read more
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