TCS Assistant System Engineer Interview Questions and Answers

1. verbal abilities
2. Mathematics aptitude
3. IT security questions
4. Coding questions (2)

Q1. 1. Hi goodmorning tell me about yourself. 2. What were your projects. Told him projects on which i worked upon and he took the interview in same direction as I'm from electronics so he asked about half wav...read more
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Q1. During the end of technical round he told me that Im selected for the next round and after 1 hour I got a link for HR round. 1. Tell me about yourself. 2. Are you willing to relocate. Then she(HR) told me ...read more
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The TCS NQT test consisted of three sections: numerical, verbal, and logical aptitude, followed by an advanced aptitude section and two coding questions.

Q1. Introduce yourself.
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for technology. I have experience with programming languages like Java and Python.
• Recent graduate with a degree in Computer Science

• Passionate about technology

• Proficient in programming languages like Java and Python
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Q2. Features of JAVA
Ans. 
Java is a popular programming language known for its platform independence, object-oriented features, and robustness.
• Platform independence - Java code can run on any platform with Java Virtual Machine (JVM)

• Object-oriented - Java supports classes, objects, inheritance, and polymorphism

• Robust - Java has strong memory management, exception handling, and type checking

• Security - Java has built-in security features like sand...read more
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Q3. 4 pillars of OOPS
Ans. 
Encapsulation, Inheritance, Polymorphism, Abstraction
• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class with private data members and public methods.

• Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Subclass inheriting from a superclass.

• Polymorphism: Ability to present the same interface for different data types. Example: Me...read more
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Q1. Are you willing to relocate
Ans. 
Yes, I am willing to relocate for the right opportunity.
• I am open to relocating for a promising career opportunity

• I have relocated for previous job positions and am comfortable with the process

• I understand the benefits of relocating for career growth and development
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Q2. Do you have any active backlogs
Ans. 
No active backlogs
• No, I do not have any active backlogs

• I have successfully completed all my courses without any pending assignments

• I am up to date with all my work and responsibilities
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1. Aptitude
A) Verbal
B) Reasoning
C) Quants

2. Coding test
A) Arrays - Number of ways to reach a position after exactly K steps
B) Rotate Matrix

Q1. OOPS concepts inheritance, abstraction, polymorphism
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Q2. Fibonacci series code + Dry run
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Q3. Basic of OS
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Q4. Friend function C++
Ans. 
A friend function in C++ allows access to private and protected members of a class.
• Friend functions are not members of the class but can access its private and protected members.

• They are declared using the keyword 'friend' inside the class.

• Example: 'friend void display(ClassName obj);'

• Friend functions can be useful for operator overloading.

• They can also be used to implement certain functionalities that require access t...read more
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Q5. Difference between Tuple and list in python
Ans. 
Tuple is immutable, ordered collection of elements while list is mutable, ordered collection of elements in Python.
• Tuple is created using parentheses () while list is created using square brackets []

• Tuple elements cannot be changed once assigned while list elements can be modified

• Tuple is faster than list for iteration and accessing elements

• Example: tuple_example = (1, 2, 3) and list_example = [1, 2, 3]
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Q6. Tell above Agile methodology & waterfall model
Ans. 
Agile methodology is iterative and flexible, while waterfall model is sequential and rigid.
• Agile focuses on delivering working software in short iterations

• Waterfall follows a linear sequential flow from requirements to testing

• Agile allows for changes and feedback throughout the development process

• Waterfall requires all requirements to be defined upfront

• Agile is more adaptive to changes in project scope

• Waterfall is less...read more
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Q7. Difference between Agile and waterfall model
Ans. 
Agile is iterative and flexible, while waterfall is sequential and rigid.
• Agile involves continuous feedback and adaptation, while waterfall follows a linear approach.

• Agile is best suited for projects with changing requirements, while waterfall is better for projects with well-defined requirements.

• Agile promotes collaboration and communication among team members, while waterfall focuses on documentation and formal proce...read more
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Q8. Is their any drawbacks of Agile model
Ans. 
Yes, there are drawbacks of Agile model.
• Lack of predictability in terms of project timelines and deliverables

• Difficulty in handling large and complex projects

• Dependency on customer collaboration and feedback can sometimes slow down the process

• Requires experienced team members for effective implementation

• May lead to scope creep if not managed properly
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Q1. Why you want to work at TCS?
Ans. 
I want to work at TCS because of its reputation for innovation, global presence, and opportunities for growth.
• TCS is known for its cutting-edge technology solutions and innovation in the IT industry.

• TCS has a strong global presence with offices in multiple countries, providing opportunities for international exposure.

• TCS offers a wide range of projects and clients, allowing for professional growth and development.

• TCS h...read more
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Q2. What are your hobbies?
Ans. 
My hobbies include playing the guitar, hiking, and reading science fiction novels.
• Playing the guitar

• Hiking

• Reading science fiction novels
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Q3. How is your team project experience in college?
Ans. 
I have extensive team project experience in college, working on various assignments and presentations.
• Led a team of 5 students to develop a mobile application for a class project

• Collaborated with classmates to create a research paper on artificial intelligence

• Participated in a group presentation on cybersecurity for a final exam
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Q4. Are you a continuous learner or not?
Ans. 
Yes, I am a continuous learner who is always seeking to expand my knowledge and skills.
• I regularly attend workshops, seminars, and online courses to stay updated with the latest technologies and trends.

• I actively seek feedback from colleagues and supervisors to identify areas for improvement.

• I enjoy reading technical blogs and articles to enhance my understanding of complex concepts.

• I have pursued certifications in rel...read more
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Q5. Situation based questions about team management.
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Q6. What are your achievements till date?
Ans. 
I have successfully completed multiple projects on time and received recognition for my problem-solving skills.
• Received Employee of the Month award for implementing a new system that improved efficiency by 20%

• Led a team in developing a software solution that reduced errors by 15%

• Achieved a 98% customer satisfaction rate in handling technical support issues
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Q1. Introduction, project, my past internships
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Q2. Detailed questions about the internship and tech stacks I've used.
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Q1. Basic questions about certification and hobbies
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Q2. Asked for relocation and shifts
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