Deem Software Interview Questions and Answers

There were 50 question out of which if you score 20 you were passed out to next round, No negative markings.

Q1. Promises in javascript
Ans. 
Promises in JavaScript are objects representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations in JavaScript.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() to handle success and .catch() to handle errors.
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Q1. Resume based questions
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Q2. Event loop in nodejs
Ans. 
Event loop in Node.js manages asynchronous operations by executing callback functions when certain events occur.
• Event loop is responsible for handling I/O operations, timers, and callbacks in Node.js

• It allows Node.js to perform non-blocking operations efficiently

• Event loop continuously checks the event queue for new events to execute
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Q3. Javascript es6 questions
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While taking aptitude test their is only c# and SQL related questions.

In my organisation, interviewee only ask about oops, collection and working of code.

Q1. In this round HR discuss about company's policy..
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Q2. She discuss about CTC break-up
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Q1. Can you tell me about yourself?
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Q2. Why should we hire you?
Ans. 
I have a strong technical background, a passion for problem-solving, and a proven track record of delivering high-quality software solutions.
• Extensive experience in software development, including proficiency in multiple programming languages such as Java, Python, and JavaScript.

• Strong problem-solving skills and ability to think critically to find innovative solutions to complex technical challenges.

• Proven track record...read more
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The test was very weird one.
They did have planned anything for the test, They came and given a link on bit.ly and given an another link that is in google form for the answers.
And they selection of people for second round is not sensible.

This round was also be a weird.
They give each candidates with different questions.
They told us to write logic on the paper and you can use internet for your reference.
But after this round they announced the results but that is not in genuine one.

Q1. Basic dsa questions predict output
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Medium level problem,

Q1. Based on resume
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45 min apps and technical question

45 min coding round you can refer net for first 15 min

Q1. C# , oops & mvc. Be clear with basic concepts
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Q2. What is the four pillars of oops
Ans. 
The four pillars of OOP are Abstraction, Encapsulation, Inheritance, and Polymorphism.
• Abstraction: Hiding implementation details and showing only necessary information.

• Encapsulation: Binding data and functions that manipulate it together.

• Inheritance: Creating new classes from existing ones, inheriting their properties and methods.

• Polymorphism: Ability of objects to take on multiple forms or behaviors.
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Q3. What is mvc and how it helps the developers
Ans. 
MVC stands for Model-View-Controller. It is a software design pattern that separates an application into three interconnected components.
• Model represents the data and business logic of the application

• View is responsible for rendering the user interface

• Controller handles user input and updates the model and view accordingly

• MVC helps developers to write clean, modular and maintainable code

• It also enables parallel develop...read more
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