NTT Data Intern Interview Questions and Answers

Neural Hack 6 - Round 1 - 7 DSA Question I have solved 5 only

Round 2 - 5 DSA Problem I'm able to solve only 3 not able to top 100 but call for interview

Q1. Self Introduction
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Q2. Which in most efficient sorting algorithm amd why and what is it's time complexity.
Ans. 
The most efficient sorting algorithm is Quick Sort due to its average time complexity of O(n log n).
• Quick Sort is efficient due to its divide and conquer approach.

• It has an average time complexity of O(n log n) and a worst-case time complexity of O(n^2).

• Example: Sorting an array of integers using Quick Sort.
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Q3. What is OOPS and explain all with their examples
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OOPS stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve a problem

• Key principles of OOPS include encapsulation, inheritance, polymorphism, and abstraction

• Encapsulation: bundling data and methods that operate on the data into a single unit

• Inheritance: allows a class to...read more
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Q4. Explain your projects and what are the problem do you faced during development phase
Ans. 
I developed a mobile app for tracking daily water intake and exercise routines.
• Implemented user-friendly interface for easy input of water intake and exercise details

• Integrated push notifications to remind users to drink water and exercise regularly

• Used Firebase for backend data storage and retrieval

• Faced challenges with optimizing app performance on older devices

• Encountered issues with syncing data across multiple dev
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Q5. Write code for reversing array
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Code to reverse an array of strings
• Use a loop to iterate through half of the array and swap elements at opposite ends

• Create a temporary variable to hold one element during swapping

• Ensure to handle odd length arrays by not swapping the middle element
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Q1. Self Introduction
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Q2. Explained companies policies
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Company policies outline rules and guidelines for employees to follow.
• Company policies cover areas such as dress code, attendance, code of conduct, and benefits.

• Examples of company policies include a policy on remote work, a policy on social media usage, and a policy on harassment.

• Employees are expected to adhere to company policies to maintain a positive work environment and ensure compliance with legal regulations.
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AI use cases and disadvantage

Q1. What is revenue recognition
Ans. 
Revenue recognition is the process of recording revenue in a company's financial statements when it is earned.
• Revenue recognition is important for accurately reflecting a company's financial performance.

• It involves determining when revenue is earned and when it can be recognized on the income statement.

• Revenue is typically recognized when goods are delivered or services are performed, regardless of when payment is rece...read more
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