TCS Assistant System Engineer Interview Questions, Process, and Tips

Normal Aptitude questionshjajj

Q1. Job relocation Shift
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Q1. 4 oops concepts in c programming
Ans. 
4 OOPs concepts in C programming are encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: bundling of data and functions that manipulate them

• Inheritance: creating new classes from existing ones

• Polymorphism: ability of objects to take on multiple forms

• Abstraction: hiding implementation details and showing only functionality
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Q2. Difference between cout and print
Ans. 
cout is a C++ standard library function used to output data to the console, while print is a function used in other programming languages like Python and Java.
• cout is specific to C++ while print is used in other languages

• cout is a standard library function while print may be a built-in function or require an import

• cout uses << to output data while print uses parentheses and commas

• Example: cout << "Hello World"; vs prin
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Q3. What is cloud computing
Ans. 
Cloud computing is the delivery of computing services over the internet.
• Cloud computing allows users to access data and applications from anywhere with an internet connection.

• It eliminates the need for physical servers and hardware, reducing costs and increasing scalability.

• Examples of cloud computing services include Amazon Web Services, Microsoft Azure, and Google Cloud Platform.
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Q4. SQL related questions - My SQL
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Q5. Q5- what is normalisation
Ans. 
Normalisation is the process of organizing data in a database to reduce redundancy and dependency.
• It involves breaking down a table into smaller tables and defining relationships between them.

• The goal is to eliminate data redundancy and ensure data consistency.

• Normalization is achieved through a series of normal forms, such as first normal form (1NF), second normal form (2NF), and so on.

• For example, a customer table ma...read more
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Q6. Q6- what are the types of normalisation
Ans. 
Normalization is a process of organizing data in a database to reduce redundancy and dependency.
• First Normal Form (1NF)

• Second Normal Form (2NF)

• Third Normal Form (3NF)

• Boyce-Codd Normal Form (BCNF)

• Fourth Normal Form (4NF)

• Fifth Normal Form (5NF) or Project-Join Normal Form (PJNF)

• Domain-Key Normal Form (DKNF)
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Simple apti test is done. Basic maths but tough Di round

Q1. Good panel. Simple yet probing questions.
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Q2. Were do you see yourself in 5 years from now
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You should be able to do object-oriented programming

Q1. 1. Introduce yourself in a brief manner
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Q2. 2. What is an array? How to define an array? how to assign value to an array index?
Ans. 
An array is a collection of similar data types. It can be defined and values can be assigned to its indices.
• Arrays can be defined using square brackets [] and specifying the size or leaving it empty for dynamic sizing.

• Values can be assigned to array indices using the assignment operator = and specifying the index number.

• Example: int arr[5]; arr[0] = 1; arr[1] = 2; arr[2] = 3; arr[3] = 4; arr[4] = 5;

• Arrays can also be i...read more
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Q3. 3. Data types in C++ programming
Ans. 
Data types in C++ programming
• C++ has built-in data types like int, float, double, char, bool, etc.

• User-defined data types can also be created using classes and structures.

• Data types determine the size and type of data that can be stored in a variable.

• Data types also affect the memory allocation and performance of the program.
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Q4. 4. Data Structures in C++ programming
Ans. 
Data structures in C++ are used to organize and store data efficiently.
• C++ provides various built-in data structures like arrays, linked lists, stacks, queues, trees, and graphs.

• Data structures help in performing operations like searching, sorting, and inserting data efficiently.

• Choosing the right data structure is important for optimizing the performance of a program.

• C++ also allows creating custom data structures usi
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Q1. What project u diid
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Q2. Which year u passed graduation
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Round duration - 110 minutes
Round difficulty - Medium

Round 1 contains 20 aptitude (15 MCQ + 5 value in box) and 10 verbal questions all MCQ and coding questions.

Q1. Number of Vehicles
There is a person named Bob who is the mayor of a state. He wants to find the maximise number of vehicles that can be registered in his state.
A vehicle normally has a registration num...read more
Ans. Permutation and Combinations
1. We can make use of basic Permutation and combination, to find out how many distinct vehicle registration numbers are possible.
2. Consider that we have 4 locations to fill with some digits and each location can acquire some digit from 0 to 9. Then the total possible ways to fill all locations in unique ways will be 10 X 10 X 10 X 10, as each location can acquire 10 different types of digits. In ...read more
Answered by CodingNinjas
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Round duration - 45 minutes
Round difficulty - Medium

It consist of questions related to Web development section which are HTML, CSS, JavaScript and Django.
It also consist questions of DBMS related to Normalization , Joins.

Q1. Stack using queue
Implement a Stack Data Structure specifically to store integer data using two Queues.
There should be two data members, both being Queues to store the data internally. You may use the i...read more
Ans. Approach 1
• This method ensures that every new element entered in the queue ‘q1’ is always at the front.
• Hence, during pop operation, we just dequeue from ‘q1’.
• For this, we need another queue ‘q2., which is used to keep every new element to the front of ‘q1’.
• During push operation :
  • Enqueue new element ‘x’ to queue ‘q2’.
  • One by one, dequeue everything from ‘q1’ and enqueue to ‘q2’.
  • Swap the names of ‘q1’ and ‘q2’.
• During pop o...read more
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Q2. DBMS Questions
What is Normalization? Difference between 2NF and 3NF .
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Q3. Web Development Questions
What is the difference between margin and padding ? (CSS)
What is the difference between "LET" and "VAR" keywords ?(JavaScript)
What is the Architecture used in Django ? (Django)
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Round duration - 15 minutes
Round difficulty - Medium

It was a video call on Microsoft Team and asked questions on my strengths and leadership skills.