Osmosys Software Solutions Intern Interview Questions and Answers

Q1. They need skills of googler at 4 lakhs
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Q2. 2 leetcode hard and 2 project Euler problems,did all still got rejected
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Q1. React hooks related How to use them
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Q2. About web socket real time messaging
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Q3. About react router dom
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Q1. Based on cv and candidate profile
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Q1. Comments on Javascript
Ans. 
JavaScript is a versatile, high-level programming language primarily used for web development, enabling interactive and dynamic content.
• JavaScript is an event-driven language, allowing developers to create responsive user interfaces. Example: Handling button clicks.

• It supports object-oriented programming, enabling code reuse and modularity. Example: Creating classes and objects.

• JavaScript can manipulate the DOM, allowi...read more
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Q2. Javascript library
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Q3. Css, html, React
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Q1. How did you collaborate with other team members during your internships?
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Q2. Can you describe how you handled feedback from your senior developers or mentors?
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Round duration - 60 minutes
Round difficulty - Easy

Technical interview round with questions on DSA and DBMS mainly.

Q1. 
Maximum Sum Subarray Problem Statement
Given an array ARR consisting of N integers, determine the sum of the subarray with the maximum sum, including the possibility of an empty subarray.
A subarray is a...read more
Ans. 
Find the sum of the subarray with the maximum sum in a given array.
• Iterate through the array and keep track of the current sum and maximum sum.

• Update the maximum sum if the current sum becomes greater.

• Handle cases where the array has all negative numbers or empty subarray.

• Example: For input [-2, 1, -3, 4, -1], the maximum sum subarray is [4] with sum 4.
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Q2. 
Prime Numbers Identification
Given a positive integer N, your task is to identify all prime numbers less than or equal to N.
Explanation:
A prime number is a natural number greater than 1 that has no po...read more
Ans. 
Identify all prime numbers less than or equal to a given positive integer N.
• Iterate from 2 to N and check if each number is prime

• Use the Sieve of Eratosthenes algorithm for efficient prime number identification

• Optimize by only checking numbers up to square root of N for divisibility
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Q3. What are Joins in the context of databases?
Ans. 
Joins in databases are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column.

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• INNER JOIN returns rows when there is at least one match in both tables.

• LEFT JOIN returns all rows from the left table and the matched rows from the right ta...read more
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Round duration - 30 minutes
Round difficulty - Easy

Typical HR round with behavioral problems.

Hackerrank Test

Q1. Questions related to NodeJS and Javascript Basics
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Q1. Technical questions based on past experience
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Q1. Company Culture related
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Q1. Expectations and Processes
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