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InterviewBit Interview Questions and Answers
7 Interview questions
Node.js follows a single-threaded event-driven architecture based on the V8 JavaScript engine.
Node.js uses an event-driven, non-blocking I/O model.
It runs on the V8 JavaScript engine, which is the same engine used by Google Chrome.
Node.js uses a single-threaded event loop to handle multiple concurrent connections efficiently.
It allows for asynchronous programming using callbacks.
Node.js modules are CommonJS module...
Some of the sorting techniques available in JavaScript include bubble sort, insertion sort, selection sort, merge sort, and quick sort.
Bubble sort: repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order.
Insertion sort: builds the final sorted array one item at a time by inserting each element into its correct position.
Selection sort: repeatedly finds the minimu...
Scaler is an ed-tech startup that offers online courses in technology and business skills.
Scaler provides courses in programming, data structures, algorithms, and more.
They offer mentorship and career guidance to help students advance in their careers.
Scaler has a strong alumni network and partnerships with top tech companies.
The platform focuses on practical learning and real-world projects to enhance skills.
I would add a real-time chat feature to enhance communication among users.
Implementing a chat system using web sockets for instant messaging
Adding features like read receipts, emojis, and file sharing
Integrating notifications for new messages
Binary Tree Maximum Path Sum Problem Statement
Determine the maximum path sum for any path in a given binary tree with 'N' nodes.
Note:
- A 'path' is defined as any sequence of adjacent nodes connected ...
Find the maximum path sum in a binary tree by considering any path of adjacent nodes.
Traverse the binary tree to find the maximum path sum by considering all possible paths.
Keep track of the maximum sum encountered during traversal.
Update the maximum sum if a new path with a higher sum is found.
Consider both left and right child nodes while calculating the path sum.
Handle null nodes represented by -1 in the input.
I was tasked with building a website for a small business, including features like a homepage, product pages, contact form, and online payment integration.
Homepage design with company logo and brief description
Product pages with images, descriptions, and pricing
Contact form for customers to reach out
Online payment integration for seamless transactions
Sum of Two Numbers Represented as Arrays
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an arr...
Given two numbers represented as arrays, calculate their sum and return the result as an array.
Iterate through the arrays from right to left, adding digits and carrying over if necessary
Handle cases where one array is longer than the other by considering remaining digits
Ensure the final sum array does not have any leading zeros
InterviewBit Interview Experiences
8 interviews found
Anonymous
I applied via Campus Placement
Data Structures and Algorithms questions were asked in the first round.
A student management system developed using the MERN stack.
(2 Questions)
- Q1. What is the architecture of Node.js?
- Ans.
Node.js follows a single-threaded event-driven architecture based on the V8 JavaScript engine.
Node.js uses an event-driven, non-blocking I/O model.
It runs on the V8 JavaScript engine, which is the same engine used by Google Chrome.
Node.js uses a single-threaded event loop to handle multiple concurrent connections efficiently.
It allows for asynchronous programming using callbacks.
Node.js modules are CommonJS modules, wh...
- Q2. What are the different sorting techniques available in JavaScript?
- Ans.
Some of the sorting techniques available in JavaScript include bubble sort, insertion sort, selection sort, merge sort, and quick sort.
Bubble sort: repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order.
Insertion sort: builds the final sorted array one item at a time by inserting each element into its correct position.
Selection sort: repeatedly finds the minimum ele...
Online DSA Round consisting of 4 questions
(2 Questions)
- Q1. A simple easy DSA question
- Q2. Take Home Assignment Provided
(1 Question)
- Q1. DSML call pitch
Interview Preparation Tips
(1 Question)
- Q1. Why Scaler and why this role?
Interview Preparation Tips
I applied via Referral and was interviewed in Sep 2022. There were 4 interview rounds.
C,C++,#include
Communication skills , present tence , future tence,
(2 Questions)
- Q1. Programing questions
- Q2. Coding language program
Interview Preparation Tips
- Basics of python and C,C++,Full java
Selected
I applied via Naukri.com and was interviewed before Aug 2022. There were 4 interview rounds.
(1 Question)
- Q1. Why do you want to get into sales
(1 Question)
- Q1. What do you know about Scaler
(1 Question)
- Q1. Situation reaction test
Selected
I applied via LinkedIn and was interviewed before Jun 2022. There were 4 interview rounds.
(2 Questions)
- Q1. Questions were based on CV only.
- Q2. What you have done in the past and what have you contributed?
(1 Question)
- Q1. Sales specific interview
(1 Question)
- Q1. Round with Sachit who was senior manager then, specifically on how well one can handle pressure, since this Edtech is all about agility
I appeared for an interview in Nov 2020.
(2 Questions)
Round duration - 90 minutes
Round difficulty - Easy
This round was completely based on Data structures and Algorithms.
- Q1.
Sum of Two Numbers Represented as Arrays
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...
- Q2.
Binary Tree Maximum Path Sum Problem Statement
Determine the maximum path sum for any path in a given binary tree with 'N' nodes.
Note:
- A 'path' is defined as any sequence of adjacent nodes connected...
Round duration - 60 Minutes
Round difficulty - Medium
This was a mix of both technical and non technical questions.
It begins with few coding problems and then resume discussion.
(1 Question)
Round duration - 180 Minutes
Round difficulty - Easy
- Q1. Can you describe the assignment you received to build a website, including all the features and additional requirements?
- Ans.
I was tasked with building a website for a small business, including features like a homepage, product pages, contact form, and online payment integration.
Homepage design with company logo and brief description
Product pages with images, descriptions, and pricing
Contact form for customers to reach out
Online payment integration for seamless transactions
(1 Question)
Round duration - 60 Minutes
Round difficulty - Easy
My project was discussed in this round, with some changes in the database structure and was given to add some new features.
- Q1. What new features would you add to the project you developed?
- Ans.
I would add a real-time chat feature to enhance communication among users.
Implementing a chat system using web sockets for instant messaging
Adding features like read receipts, emojis, and file sharing
Integrating notifications for new messages
Interview Preparation Tips
Tip 1 : Try to have some good projects in your resume.
Tip 2 : Practice all the previously asked questions.
Tip 1 : Have some good development projects
Tip 2 : Include relevant industrial experience
Skills evaluated in this interview
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Interview questions from similar companies
I applied via Approached by Company and was interviewed before Feb 2021. There were 2 interview rounds.
(1 Question)
- Q1. Tell me about yourself.
(1 Question)
- Q1. Tell me something about yourself
Interview Preparation Tips
I applied via Referral and was interviewed in Sep 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Salary package
Interview Preparation Tips
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