TCS iON Interview Questions, Process, and Tips

TCS NQT consists of MCQ and coding

Q1. Internship expereinces
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Q2. I explained my resume
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Q1. Is it ok for Reallocation
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Yes, reallocation is acceptable in certain situations to optimize resources.
• Reallocation can be acceptable if it helps optimize resources and improve efficiency.

• For example, reallocating server resources to handle increased traffic during peak hours.

• Reallocation should be carefully planned and executed to avoid negative impacts on system performance.

• Regular monitoring and evaluation of the reallocated resources is impo
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Q2. Yes
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Duration is 1 hr and topic is core java

Q1. What i sth OOPS
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Q2. What i s abstract class
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Time value distance clock

Q1. Points arrays oparetor
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Q1. Tell me Your self
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Q2. Why should higher you
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2 questions were asked. Questions were easy - one from graph and one from dp.

Q1. Difference between multi-programming and multi-tasking.
Ans. 
Multi-programming involves running multiple programs on a single processor, while multi-tasking involves running multiple tasks within a single program.
• Multi-programming allows multiple programs to be loaded into memory and executed concurrently, switching between them to utilize processor time efficiently.

• Multi-tasking allows a single program to perform multiple tasks simultaneously, such as running multiple threads o...read more
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Q2. How to delete the middle element of a linked list?
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To delete the middle element of a linked list, find the middle element using slow and fast pointers, then remove it by adjusting the pointers.
• Use slow and fast pointers to find the middle element

• Adjust pointers to skip the middle element and connect the surrounding nodes

• Free the memory of the deleted node
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Q1. Are you willing to relocate?
Ans. 
Yes, I am open to relocating for the right opportunity.
• I am open to relocating for the right job opportunity.

• I am willing to move to a new location if required for the job.

• I am flexible and willing to relocate for the right position.
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Q2. Why do you want to join TCS?
Ans. 
I want to join TCS because of its reputation for providing challenging projects and opportunities for growth.
• TCS is known for its innovative projects in various industries.

• I am impressed by TCS's commitment to employee development.

• I believe TCS will provide me with a platform to enhance my skills and knowledge.
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It is very easy round

One easy and one medium

Q1. Four pillers of oops
Ans. 
Encapsulation, Inheritance, Polymorphism, Abstraction
• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class in Java

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

• Polymorphism: Ability to present the same interface for different data types. Example: Method overloading in Java

• Abstraction: Hiding t...read more
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Q2. What is sql and database
Ans. 
SQL is a programming language used to manage and manipulate data in relational databases.
• SQL stands for Structured Query Language

• It is used to communicate with databases to perform tasks like querying, updating, and deleting data

• Common SQL commands include SELECT, INSERT, UPDATE, DELETE

• Examples of popular databases that use SQL include MySQL, PostgreSQL, Oracle
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Q1. SQL window function
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Q2. About joins and explain
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Q3. Performance optimization
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Q4. Normalisation and denormalization
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Q1. Why you need job change
Ans. 
Seeking new challenges and growth opportunities in a more senior role.
• Looking for career advancement

• Seeking new challenges and projects

• Interested in expanding skill set and knowledge

• Want to take on more responsibilities and leadership roles
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Q2. Why tcs after a long gap
Ans. 
TCS offers a challenging work environment and opportunities for growth after a long gap.
• TCS is known for its diverse projects and cutting-edge technologies, providing a stimulating work environment.

• After a long gap, I am eager to re-enter the workforce and TCS offers a platform for me to showcase my skills and expertise.

• TCS has a strong reputation in the industry and I believe working here will help me enhance my caree
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Basic aptitude questions

Q1. Questions related to logic gates
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Q1. Questions related to puzzles to judge your reasoning abilities
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