TCS Ninja Interview Questions, Process, and Tips

DSA questions like array, string and more

Q1. Find duplicate in list
Ans. 
Find duplicates in a list of strings
• Iterate through the array and store each element in a hash set

• If an element is already in the hash set, it is a duplicate
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Q2. String manipulation
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Q3. String regex ques to sanitise string
Ans. 
Use regular expressions to sanitize strings by removing unwanted characters or patterns.
• Use regex patterns to match and replace unwanted characters or patterns in the string.

• For example, to remove all non-alphanumeric characters from a string: str.replace(/[^a-zA-Z0-9]/g, '')

• Be careful with regex patterns to ensure that only the intended characters are removed.
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Q1. What is Gen AI
Ans. 
Gen AI refers to the next generation of artificial intelligence that is capable of learning, adapting, and evolving on its own.
• Gen AI utilizes advanced machine learning algorithms to continuously improve its performance

• It can analyze vast amounts of data to make predictions and decisions

• Gen AI has the potential to revolutionize industries such as healthcare, finance, and transportation
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Q2. What is Deep Learning
Ans. 
Deep learning is a subset of machine learning that uses neural networks to learn from large amounts of data.
• Deep learning is a type of machine learning that uses neural networks with multiple layers to learn patterns from data

• It is particularly effective for tasks such as image and speech recognition, natural language processing, and autonomous driving

• Examples of deep learning frameworks include TensorFlow, PyTorch, an
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Q3. What will be the sorting algorithm for find the gist of Review on e commerce website
Ans. 
The sorting algorithm for finding the gist of reviews on an e-commerce website can be based on sentiment analysis and keyword extraction.
• Use sentiment analysis to categorize reviews as positive, negative, or neutral.

• Extract keywords from reviews to identify common themes or topics.

• Sort reviews based on relevance to the product or service being reviewed.

• Consider using algorithms like TF-IDF or LDA for topic modeling.
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Q1. What is your background of education
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Q2. Why do you want to join TCS
Ans. 
I want to join TCS because of their reputation for innovation and global impact.
• TCS is known for its cutting-edge technology solutions

• I am impressed by TCS's global presence and diverse client base

• I believe TCS offers great opportunities for career growth and development
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Q3. Tell me some products of TATA which people use it most frequently
Ans. 
Some popular products of TATA include Tata Salt, Tata Tea, Tata Motors vehicles, Tata Steel, and Tata Consultancy Services.
• Tata Salt

• Tata Tea

• Tata Motors vehicles

• Tata Steel

• Tata Consultancy Services
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It went well they asked me about the complexity and how could you optimize your code ?

Social media: influencing youth positivity or negativity ?

The questions were a mix of verbal, logical, numerical, along with two coding questions based on loops and arrays.

Q1. About yourself Code program About CN C language i mean which u r strong at
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Q1. How do you handle stress? What actions do you take when your role is not suitable? How do you collaborate and work within a team?
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Slightly moderate. Preparation of basic aptitude concept is just enough

Basic array and string related problems

One easy and one medium level isa question

Q1. Java Basic Questions
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Q2. Project related questions
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Q1. Where do you see yourself in 5 years
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Good easy to moderate

2 codes easy and medium

Q1. Question on project
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Q2. Question on python, c++ and resume
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Q1. What was your strengths and weakness
Ans. 
My strengths include strong problem-solving skills and excellent communication abilities. My weakness is that I can be overly critical of my own work at times.
• Strengths: problem-solving skills, communication abilities

• Weakness: being overly critical of my own work
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Q2. Will you relocate?
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