DE Shaw Intern Interview Questions and Answers

Q1. Project was asked
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Q2. Oops concept and implementation
Ans. 
Oops concept refers to Object-Oriented Programming principles and their implementation in code.
• Oops concepts include inheritance, polymorphism, encapsulation, and abstraction.

• Inheritance allows a class to inherit properties and behaviors from another class.

• Polymorphism allows objects to be treated as instances of their parent class.

• Encapsulation hides the internal state of an object and only exposes necessary methods.

• A...read more
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60 mins - reasoning and problem solving

C / JAVA /PYTHON - LEET CODE

Q1. BASIC CONCEPTS AND ACADEMIC PROJECT
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Q2. BEHAVIORAL QUESTIONS
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It consists 50 question

Q1. What is Operating System
Ans. 
An operating system is a software that manages computer hardware and provides services for computer programs.
• Manages computer hardware resources such as CPU, memory, and storage

• Provides a user interface for interacting with the computer

• Supports running applications and managing processes

• Examples include Windows, macOS, Linux, iOS, Android
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Q2. Difference between HTTPS and HTTP
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HTTPS is a secure version of HTTP that encrypts data transmitted between a website and a user's browser.
• HTTPS uses SSL/TLS encryption to secure data transmission

• HTTP sends data in plain text, making it vulnerable to interception

• HTTPS is indicated by a padlock icon in the browser's address bar

• Websites that handle sensitive information like banking or shopping use HTTPS
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Hackerrank coding test, 4 questions, think I got lucky as 3 of them were straightforward array questions and last one was a min-heap question.

Q1. Upcoming technical question,, scheduled for this week
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Q2. Currently doing research on what other people's experiences are for Atlassian
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Coding questions regarding DSA

General aptitude and English test

Q1. They asked about DSA problems
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Q2. They asked about C++
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Q3. Common questions like

Ans. 

The question is about the common header file in C++.

• The header file is used for input/output operations in C++.

• It provides classes like cin and cout for reading and writing data.

• It also includes classes for file input/output operations like ifstream and ofstream.

• The header file can be included in a C++ program using the #include directive.

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