Omind Interview Questions and Answers

Q1. System design questions
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Q2. Basic Javascript questions
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Q1. Create set timeout in JS without using set timeout or set interval
Ans. 
Use recursion to create a custom set timeout function in JavaScript.
• Create a function that takes a callback function and a delay time as parameters.

• Inside the function, use recursion to repeatedly call the callback function until the delay time is reached.

• Decrement the delay time with each recursive call to simulate the setTimeout behavior.
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Q2. Explain Architecture of Node JS
Ans. 
Node.js architecture is based on event-driven, non-blocking I/O model, with a single-threaded event loop.
• Node.js runs on the V8 JavaScript engine

• It uses libuv for handling asynchronous I/O operations

• Follows a module-based architecture with CommonJS modules

• Uses a single-threaded event loop for handling requests

• Supports clustering for scaling across multiple CPU cores
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It was some data analytics question along with model training covering basic ML to NLP and CV

Q1. Questions on assignment
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Q2. Case study related to data given a scenerio
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Q1. Basic questions
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Q2. Salary discussion
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Q1. Basic screening
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Online assessment consists of around 7 sections with one DSA question

Q1. Interviewer majorly interested in backend related questions . 7/10 ques from node, express js and question on DBMS(sql majorly) were asked
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Q2. -write a code for Settimeout fn in js without using settimeout inbuilt method -write a async function that returns another function that returns promise object
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Q3. Only one react frontend question about lifting state up nothing else from frontend side
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