TCS Associate Systems Engineer Interview Questions, Process, and Tips

It consists of questions we need to get cutoff

3 coding questions atleast one need to be answered perfectly

Q1. Asked about technicals , Java language and python questions it went about 1 hour
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Q2. What is Java and how itis best language and what are the benefits of the language
Ans. 
Java is a high-level programming language known for its portability, security, and versatility.
• Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM).

• It is known for its strong security features, such as automatic memory management and built-in exception handling.

• Java is versatile, with a wide range of applications including web development, mobile apps, and enterprise software...read more
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Q3. Explain about inheritance?
Ans. 
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can access all public and protected members of the base class

• Example: Class 'Car' can inherit from class 'Vehicle'
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Q4. Explain about method overloading?
Ans. 
Method overloading is when multiple methods in a class have the same name but different parameters.
• Allows a class to have multiple methods with the same name but different parameters

• Parameters can differ in number, type, or order

• Compile-time polymorphism

• Example: void print(int a), void print(int a, int b)
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Q1. Introduce Yourself
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Q2. Write a program to reverse a string without using in built functions?
Ans. 
Program to reverse a string without using in-built functions
• Create a new empty string to store the reversed string

• Iterate through the original string from end to start and append each character to the new string

• Print or return the reversed string
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Q1. Your Strength and weakness
Ans. 
Strength: Strong problem-solving skills. Weakness: Difficulty delegating tasks.
• Strength: Able to quickly analyze complex problems and come up with effective solutions

• Weakness: Struggle to trust others to complete tasks to the same standard

• Strength: Proven track record of successfully resolving technical issues under pressure

• Weakness: Working on improving delegation skills through communication and trust-building exerci
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Quantitaive Aptitude

Q1. Pointers realted questions
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Q2. Project related questions
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Q1. Education cgpa and projects
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Q2. Location preferences
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Q1. Define optimization in SQL
Ans. 
Optimization in SQL refers to the process of improving the performance of SQL queries by minimizing resource usage and maximizing efficiency.
• Optimization involves creating efficient query plans to retrieve data from databases.

• Indexing can be used to optimize queries by reducing the number of rows that need to be scanned.

• Using appropriate join methods and avoiding unnecessary subqueries can also improve query performanc
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Q2. What are the type of process in data analysis
Ans. 
The types of processes in data analysis include data collection, data cleaning, data transformation, data modeling, and data visualization.
• Data collection involves gathering raw data from various sources.

• Data cleaning is the process of identifying and correcting errors in the data.

• Data transformation involves converting raw data into a format suitable for analysis.

• Data modeling is the process of creating mathematical m...read more
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Mcqs and 2 coding questions one medium difficulty and one hard level

Q1. About TCS and its culture
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Q2. Resume based projects and technology explanation
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Little but difficulty but we can pass

Q1. They will ask situation based questions and basics for freshers
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Q1. They will test our communication skills and ask for situation based questions to see whether we fit for the job or not.
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