Atlas Primary Software Developer Intern Interview Questions and Answers

Leetcode medium questions was asked on hackerrank

Q1. What is database, system design
Ans. 
A database is a structured collection of data, while system design involves creating a plan for how different components of a system will work together.
• Database is used to store and organize data in a structured manner.

• System design involves creating a plan for how different components of a system will interact and work together efficiently.

• Examples of databases include MySQL, PostgreSQL, and MongoDB.

• Examples of system...read more
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Q2. Standard leetcode questions + hashmaps + projects
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Q1. Conduct a phone or video interview
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Q2. Consider how candidates may work in your team
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Q3. Conduct a more in depth interview
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Q4. Assign a remote coding assessment
Ans. 
Assign a remote coding assessment
• Clearly define the problem statement and requirements

• Provide a set of input/output examples for testing

• Specify the programming language and any constraints

• Set a time limit for completion

• Include instructions for submission and evaluation
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Q5. Request previous work samples
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The task of Assignment

Normal and easy coding questions

Q1. Define sorting methods
Ans. 
Sorting methods are algorithms used to arrange elements in a specific order.
• Sorting methods include bubble sort, selection sort, insertion sort, merge sort, quick sort, etc.

• They can be categorized as comparison-based or non-comparison-based algorithms.

• Examples: Bubble sort compares adjacent elements and swaps them if they are in the wrong order.

• Merge sort divides the array into two halves, sorts them separately, and th
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Q2. 1 coding question
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Q1. Project discussion
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Moderate difficulty level questions were asked

High difficulty level questions were asked

Coding Test on there own platform

Q1. Method Overloading vs Method Overriding
Ans. 
Method overloading is having multiple methods with the same name but different parameters. Method overriding is having a subclass implement a method with the same name and parameters as its superclass.
• Method overloading is used to provide different ways to call the same method with different parameters.

• Method overriding is used to provide a specific implementation of a method in a subclass that is different from its su...read more
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Q2. Multithreading vs Multitasking
Ans. 
Multithreading is the ability of a CPU to run multiple threads concurrently, while multitasking is the ability of an OS to run multiple processes concurrently.
• Multithreading is a feature of CPUs, while multitasking is a feature of operating systems.

• Multithreading allows multiple threads to run concurrently within a single process, while multitasking allows multiple processes to run concurrently.

• Multithreading can impro...read more
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Q3. Switch vs Router and check if String is a Palindrome code it
Ans. 
Switches connect devices within a network, while routers connect networks. Palindrome code checks if a string is the same forwards and backwards.
• Switches operate at the data link layer, while routers operate at the network layer.

• Switches use MAC addresses to forward data within a network, while routers use IP addresses to forward data between networks.

• Palindrome code can be written using a loop to compare the first and...read more
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