Deven Infotech Intern Interview Questions and Answers

Q1. Tell me about yourself.
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Q1. What ur biggest fear
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Q2. Biggest Strength in life
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Q1. Reverse a link list, reverse a binary tree
Ans. 
To reverse a linked list, traverse it and change the pointers. To reverse a binary tree, swap left and right child nodes recursively.
• For reversing a linked list, traverse the list and change the pointers to point to the previous node instead of the next node.

• For reversing a binary tree, swap the left and right child nodes of each node recursively starting from the root node.

• Both operations can be done in O(n) time comp...read more
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Q2. Why merge short is better than any other shorting technique
Ans. 
Merge short is better than other shorting techniques due to its ability to minimize risk and maximize profits.
• Merge short involves combining multiple short positions into one, reducing the risk of individual short positions

• It allows for greater flexibility in managing short positions and can lead to higher profits

• For example, if an investor wants to short a stock but is unsure of the timing, they can use merge short to...read more
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It was complex and easy. Really i like the way they have designed the paper

They have covered more on Java python c and SQL related questions with few program expected output

Q1. They have explained the.process and tell about the company and project. They indreduced the manager and showed the office environment. What are you expecting from the project ?
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Q2. What and where you want to see after 5 years?
Ans. 
In 5 years, I envision myself working as a full-time professional in a reputable company, utilizing my skills and knowledge to contribute to the organization's success.
• Working as a full-time professional

• Contributing to the success of the organization

• Utilizing my skills and knowledge

• Being part of a reputable company
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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
Ans. 
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
Ans. 
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
Ans. 
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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Discussion about information security fundamentals and CIA traid

Q1. Tell me about yourself
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Q2. Tell me about your research
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Basic and medium problems

Q1. Basic programming and sql
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Q2. Whatis an array
Ans. 
An array is a data structure that stores a collection of elements of the same type in a contiguous memory location.
• Arrays have a fixed size determined at the time of declaration.

• Elements in an array are accessed using an index starting from 0.

• Example: string[] names = {"Alice", "Bob", "Charlie"};
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Q3. About your project
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Q1. About yourself and basic personality questions
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