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I applied via Referral and was interviewed before Nov 2021. There were 4 interview rounds.
First round is a basic DS-Algo Round. It was a pen & paper interview. 2 interviewers asked me to write code for some problems such as:
1. You have an unsorted array of 0s and 1s, find the first 1. Different approaches for it.
2. What is setTimeOut in Node.JS?
3. How can you use 2 stacks as an array.
4. You have 2 sorted arrays. Merge them into a single array.
OS processes are instances of a program that are being executed by the operating system.
Processes are managed by the operating system's scheduler.
Each process has its own memory space and system resources.
Processes can communicate with each other through inter-process communication (IPC).
Examples of processes include web browsers, media players, and text editors.
Threads are lightweight processes that enable multitasking within a single process.
Threads allow multiple tasks to be executed concurrently within a single process.
They share the same memory space and resources of the parent process.
Threads can improve performance by utilizing available CPU resources more efficiently.
Examples include web servers handling multiple requests simultaneously and video games rendering graphi
Node.js is a powerful and efficient server-side JavaScript runtime environment.
Node.js is fast and scalable, making it ideal for building real-time applications.
It uses an event-driven, non-blocking I/O model, which makes it lightweight and efficient.
Node.js has a large and active community, with many useful libraries and modules available.
It allows for easy sharing of code between the server and client, using JavaScri...
Python is a general-purpose language while Node.JS is a JavaScript runtime environment.
Python is used for web development, data analysis, artificial intelligence, and scientific computing.
Node.JS is used for building scalable network applications and real-time web applications.
Python is slower than Node.JS in terms of performance.
Python has a larger standard library than Node.JS.
Python is easier to learn and has a simp
SQL is a relational database management system while NoSQL is a non-relational database management system.
SQL databases are table-based while NoSQL databases are document-based, key-value pairs, graph databases, or column-based.
SQL databases are structured while NoSQL databases are unstructured.
SQL databases use SQL (Structured Query Language) for querying and managing data while NoSQL databases use different query lan...
A Reddit-like application for sharing and discussing content
User authentication and authorization
Post creation and voting system
Commenting system
Subreddit creation and management
Search functionality
Real-time updates using websockets
CORS stands for Cross-Origin Resource Sharing. It is a security feature implemented in web browsers to restrict web pages from making requests to a different domain.
CORS is used to prevent malicious websites from accessing sensitive data from other websites.
To handle CORS, the server needs to include specific headers in the response to allow the browser to make requests from a different domain.
The most common header us...
Low level design for authentication
Define authentication requirements
Choose appropriate authentication mechanism
Design authentication flow
Implement secure storage of credentials
Consider multi-factor authentication
Include error handling and logging
An e2e system architecture design for user input to response output
Identify user requirements and define system goals
Choose appropriate technologies and frameworks
Design system components and their interactions
Ensure scalability, reliability, and security
Test and validate the system before deployment
Top trending discussions
I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.
I applied via Company Website and was interviewed before May 2020. There was 1 interview round.
I was interviewed before Sep 2020.
Round duration - 140 minutes
Round difficulty - Medium
Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.
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...
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 the remaining digits
Ensure the final sum array does not have any leading zeros
Round duration - 20 minutes
Round difficulty - Easy
The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.
Round duration - 8 minutes
Round difficulty - Easy
This round was conducted right after finishing and clearing the technical round at the same place and on the same day.
Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.
Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.
I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.
I applied via Amcat and was interviewed before Jul 2021. There were 2 interview rounds.
Refer R S Agarwal book for apptitude
A C program to perform arithmetic operations on fractional numbers.
Use float or double data type to store fractional numbers.
Use scanf() to take input from the user.
Perform arithmetic operations like addition, subtraction, multiplication, and division.
Use printf() to display the result.
I applied via Campus Placement and was interviewed before May 2021. There were 4 interview rounds.
VERBAL QUANT DI/LR and Picture based test
Fibonacci series can be easily implemented using loops in C++ or C.
Declare variables for first two numbers of the series
Use a loop to calculate and print the next number in the series
Repeat the loop until desired number of terms are printed
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