TCS iON Interview Questions, Process, and Tips for Freshers

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?
Ans. 
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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U can search in youtube

Q1. Swap 2 numbers without 3rd variable
Ans. 
To swap two numbers without a third variable, use arithmetic operations.
• Use addition and subtraction to swap the numbers

• Example: a = 5, b = 10. a = a + b (a = 15), b = a - b (b = 5), a = a - b (a = 10)
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Q2. Give me unique values in a column (sql)
Ans. 
Use the DISTINCT keyword in SQL to retrieve unique values in a column.
• Use the SELECT DISTINCT statement followed by the column name to retrieve unique values.

• For example, SELECT DISTINCT column_name FROM table_name;

• You can also use GROUP BY to get unique values in a column.
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Q3. Project questions->what u have mentioned in resume
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Q4. Some simple hr questions
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Around 10-20 question on reasoning, logical and few mathematics

Q1. What is data redundency
Ans. 
Data redundancy refers to the unnecessary duplication of data in a database or system.
• Data redundancy increases storage space and can lead to inconsistencies in data.

• It can occur when the same data is stored in multiple locations.

• Examples include storing a customer's address in both a customer table and an order table.
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Q2. What is difference between delete, trucate and drop
Ans. 
Delete removes specific rows from a table, truncate removes all rows from a table, and drop removes the entire table.
• Delete is a DML command that removes specific rows from a table based on a condition.

• Truncate is a DDL command that removes all rows from a table but keeps the table structure.

• Drop is a DDL command that removes the entire table along with its structure.
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It is easy. Basic aptitude logical reasoning quants and english the once for MBA entrance and you'll crack it there are videos on youtube so please refer to that.

Q1. This was easy round. Tell me about yourself
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Q2. Why tcs/ would you be ok with night shifts/ Would you be okay with any location
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Q3. I don't remember the questions asked it was very general. How would you manage things?
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Q4. Mostly about time and discipline. It totally depends on the HR you get. Search some general interview questions online. And I think that would work wonders. don't say no to anything for the moment.
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Q1. Write essay on time management
Ans. 
Time management is crucial for productivity and efficiency in both personal and professional life.
• Set clear goals and prioritize tasks based on importance and deadlines

• Use tools like calendars, to-do lists, and time tracking apps to stay organized

• Avoid multitasking and focus on one task at a time to improve concentration and quality of work

• Delegate tasks when possible to free up time for more important responsibilities

• ...read more
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Q2. Basic questions about myself and few more random questions
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