TCS Assistant System Engineer Trainee Interview Questions, Process, and Tips

Q1. What are the 4 pillars of C++ ?
Ans. 
The 4 pillars of C++ are encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Creating new classes from existing classes, inheriting their attributes and methods.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding complex implementation details and showing only the
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Q2. What is Normalization in SQL?
Ans. 
Normalization in SQL is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalization involves breaking down a database into smaller, more manageable tables and defining relationships between them.

• It helps in reducing data redundancy by storing data in a structured and organized manner.

• Normalization ensures data integrity by preventing anomalies such as insertion, update, an...read more
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Q3. Example of abstract class ?
Ans. 
Abstract class is a class that cannot be instantiated and may contain abstract methods.
• Cannot be instantiated directly

• May contain abstract methods that must be implemented by subclasses

• Used to define a common interface for a group of related classes
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Q4. SQL Commands ?
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Q5. Pseudo code for prime number.
Ans. 
Pseudo code for prime number is a simple algorithm to determine if a given number is prime or not.
• Start by checking if the number is less than 2, if so it is not prime

• Then iterate from 2 to the square root of the number and check if it is divisible by any number in that range

• If it is not divisible by any number, then it is a prime number
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Q6. Create Login page using html, css and js
Ans. 
Create a login page using HTML, CSS, and JS
• Use HTML for structure and form elements

• Style the page using CSS for layout and design

• Implement client-side validation using JavaScript

• Handle form submission and authentication using JS
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Q1. Question related to my hobby?
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It is a high-level aptitude test.

Overall, there are two coding programs.

Q1. Technical interview went smoothly
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Q1. General discussion about relocation, strength and weakness, purpose to join in our company
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Need to solve aptitude questions

Q1. Technical questions based on your skill set and projects
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Q1. Basic HR questions
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Q1. Tell me about yourself
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Q2. Write a code for reverse a string
Ans. 
Code to reverse a string using array of characters
• Create an array of characters to store the input string

• Use a loop to iterate through the input string and store each character in the array

• Reverse the array of characters to get the reversed string
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Q3. Explain your final year project
Ans. 
Developed a smart irrigation system using IoT technology
• Researched different sensors to measure soil moisture and temperature

• Implemented a microcontroller to collect data from sensors and control water flow

• Designed a mobile app to remotely monitor and adjust irrigation settings
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Easy questions aptitude

Medium Difficulty process

Q1. Tell about sdlc lifecycle
Ans. 
SDLC (Software Development Life Cycle) is a process used by software development teams to design, develop, and test high-quality software.
• SDLC consists of several phases including planning, analysis, design, implementation, testing, and maintenance.

• Each phase has its own set of activities and deliverables to ensure the successful completion of the project.

• Examples of SDLC models include Waterfall, Agile, and DevOps.

• SDL...read more
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Q1. Negative feedback handling
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