Unstop Front end Engineer Interview Questions and Answers

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. Tell me about yourself.
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Q1. What is Ed-tech?
Ans. 
Ed-tech refers to the use of technology to facilitate learning and education.
• Ed-tech includes online learning platforms, educational apps, and digital tools for teaching and learning.

• It aims to enhance the educational experience, make learning more accessible, and improve student outcomes.

• Examples of ed-tech companies include Khan Academy, Coursera, and Duolingo.
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Q2. What is digital marketing?
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Digital marketing is the use of online channels to promote products or services to a targeted audience.
• Involves using social media, email, websites, and search engines for marketing purposes

• Includes strategies such as SEO, SEM, content marketing, and influencer marketing

• Allows for targeted advertising based on demographics, interests, and behavior

• Provides measurable results through analytics and tracking tools
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Q3. What are the responsibilities of learning consultant
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Q4. Sales round - a book
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Q1. Tell me about your self
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Q1. Tell me about yourself
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Q2. Why do you wanna join Talentedge?
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Q3. What you know about Edtech Industry?
Ans. 
Edtech industry refers to the use of technology in education to enhance learning and teaching experience.
• Edtech includes online learning platforms, educational apps, and digital tools for teachers.

• The industry has seen significant growth due to the COVID-19 pandemic and the shift to remote learning.

• Examples of edtech companies include Coursera, Khan Academy, and Duolingo.

• Edtech has the potential to improve access to ed...read more
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Basic coding maths aptitude java python communication skills test

Java coding c plus python SQL oracle dbmsos

3 questions in 3 hr, topics were Dp, Strings, Tree

1hr durations 40 questions, main topics were patterns, profit loss, work man , etc.

Q1. OOPS, JAVA, Mysql, general questsjons
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Round duration - 120 minutes
Round difficulty - Easy

It was a mix of mathematical aptitude, logical ability, and puzzles along with 2 programming questions of easy and medium level. Time was enough and no sectional time was present. 1-2 MCQs on SQL were also present.

This round was immediately followed by an SHL aptitude test which was basically a quick limited time check of your verbal ability and math because many questions were to be done in 1 hour.

Q1. 
Boolean Matrix Transformation Challenge
Given a 2-dimensional boolean matrix mat of size N x M, your task is to modify the matrix such that if any element is 1, set its entire row and column to 1. Specifi...read more
Ans. 
Modify a boolean matrix such that if any element is 1, set its entire row and column to 1.
• Iterate through the matrix and mark rows and columns to be modified

• Use additional arrays to keep track of rows and columns to be modified

• Update the matrix in-place based on the marked rows and columns
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Round duration - 60 minutes
Round difficulty - Easy

It was an online video interview round on HackerEarth with simultaneous code option. It was mostly justifying your resume in the first 15 minutes. After that OOPS was majorly asked. Basics of programming including questions on STL were asked. A class which required inheritance was asked by the interviewer to write. I was helped by the interviewer if i got stuck somewhere, Some questions on implementation of hashmaps and priority queues were also asked. A puzzle was asked which luckily struct to me at that moment.

What is aptitude test?

Online study and off-line which one is better?

Someone not interested in assignments.

Q1. Why you choice to join with us
Ans. Because write now Indias largest and most trusted education system is BYJU'S. thats why not one me everyone want to join his/her children in BYJU'S.
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Q2. What is more important to you education or money?
Ans. Obviously is education because educated person make money so easily and how to hold the mobey they know very well
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Easy leetcode code 2 questions , HTML5 css javascript simple screen design

Q1. Oop, Simple coding javascript, react basic, sql basic
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