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I applied via Company Website and was interviewed in Oct 2024. There was 1 interview round.
A promise is an object 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 together using .then() method.
Example: Fetching data from an API returns a promise that resolves with the data.
Example: Promises help avoid callback hell by providi...
Redux is a predictable state container for JavaScript apps.
Centralizes state management in one store
Helps manage complex state changes in a predictable way
Facilitates debugging by tracking state changes
Works well with React for building scalable applications
React JS is a JavaScript library for building user interfaces.
Declarative: React makes it easy to create interactive UIs by breaking them into reusable components.
Virtual DOM: React uses a virtual DOM for better performance by updating only the necessary parts of the actual DOM.
Component-based: React follows a component-based architecture where UI is divided into independent, reusable components.
JSX: React allows writi...
Find and return the highest number in an array of strings
Convert the array of strings to an array of numbers using parseInt()
Use Math.max() to find the highest number in the array
iFour Technolab interview questions for popular designations
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posted on 19 Jul 2024
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
Puzzles, speed, logical questions
posted on 1 Jun 2023
I applied via Approached by Company and was interviewed before Jun 2022. There were 3 interview rounds.
C java angular data coding test
posted on 24 Jun 2021
I applied via Naukri.com and was interviewed before Jun 2020. There were 3 interview rounds.
BRD and FRD are key documents in business analysis.
BRD stands for Business Requirements Document.
FRD stands for Functional Requirements Document.
BRD defines the business needs and objectives of a project.
FRD outlines the specific functionalities and features required to meet those needs.
BRD focuses on the 'what' of a project, while FRD focuses on the 'how'.
BRD includes sections like project scope, stakeholders, busines...
posted on 29 Apr 2024
It was easy process and the questions is easy for freshers to clear the interview
I applied via Approached by Company and was interviewed in Jul 2023. There were 3 interview rounds.
A TSR file can be created using a text editor or a software program that supports saving files in the TSR format.
Use a text editor like Notepad or a software program like Turbo Pascal to write the code for the TSR program.
Save the file with a .tsr extension to create the TSR file.
Compile the code if necessary before saving it as a TSR file.
Windows components can be automated using scripting languages like PowerShell or batch files.
Use PowerShell scripts to automate tasks such as installing software or configuring settings.
Utilize batch files to automate repetitive tasks like file management or system maintenance.
Explore the Windows Task Scheduler to schedule automated tasks to run at specific times or events.
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