Prodesk Web Developer Interview Questions and Answers

Round duration - 360 minutes
Round difficulty - Medium

Basically TCS conduct its flagship event named as CODEVITA . And it offers Internship to prefinal (3rd )year students .

Q1. 
Allocate Books Problem Statement
Given an array of integers arr, where arr[i] represents the number of pages in the i-th book, and an integer m representing the number of students, allocate all the books ...read more
Ans. 
Allocate books to students in a way that minimizes the maximum number of pages assigned to a student.
• Iterate through possible allocations and calculate the maximum pages assigned to a student.

• Find the minimum of these maximums to get the optimal allocation.

• Return the minimum pages allocated in each test case, or -1 if not possible.
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Q1. Based on html,css Javascript
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Q2. Based on ReactJs
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Q3. Javascript promise method
Ans. 
JavaScript Promise is an object representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations such as fetching data from an API.

• They have three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() and .catch() methods.

• Promises can also be created using the Promise constructor.
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Q4. Javascript callback funtions
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Based on html, Css, Javascript and React-Js

Q1. How to handle state in functional components.
Ans. 
State in functional components can be managed using the useState hook in React.
• Use the useState hook to declare state variables in functional components.

• useState returns an array with the current state value and a function to update that value.

• Example: const [count, setCount] = useState(0);

• State variables should be immutable, so always use the setter function to update them.
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Q2. What is event loop in javascript.
Ans. 
Event loop in JavaScript is responsible for handling asynchronous operations by executing callback functions in a non-blocking way.
• Event loop is a mechanism that allows JavaScript to perform non-blocking operations.

• It continuously checks the call stack and the callback queue to see if there are any functions that need to be executed.

• If the call stack is empty, it takes the first function from the callback queue and pus...read more
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Q3. What is hosting in Javascript
Ans. 
Hosting in JavaScript refers to the process of declaring a variable or function before it is used in the code.
• Hosting allows you to use variables and functions before they are declared in the code.

• Variables are hoisted to the top of their scope, while functions are fully hoisted.

• Example: console.log(myVar); var myVar = 10; This will not throw an error because 'myVar' is hoisted to the top of the scope.
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An aptitude test is a way for employers to assess a candidate's abilities through a variety of different testing formats. Aptitude tests will test your ability to perform tasks and react to situations at work. This includes problem-solving, prioritisation and numerical skills, amongst other things.

An assignment is the transfer of rights or property. In financial markets, it is a notice to an options writer that the option has been exercised.

Q1. Reverse given array
Ans. 
Reverse the given array of strings
• Use the reverse() method to reverse the array in place

• Alternatively, you can use a for loop to iterate through the array and build a new reversed array
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Q1. Call api and print data in using react
Ans. 
To call an API and print data in React, use fetch or axios to make the API call and then render the data in the component.
• Use fetch or axios to make the API call in React component

• Store the API response data in state using useState hook

• Render the data in the component using JSX
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Q1. General Questions are asked from Javascript and React
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Q2. What is the difference between virtual dom and real dom?
Ans. 
Virtual DOM is a lightweight copy of the real DOM, which updates only the changed elements, making the rendering process faster.
• Real DOM updates the entire page when a change is made, while Virtual DOM updates only the changed elements.

• Virtual DOM is a JavaScript object that represents the real DOM, and it is faster to update.

• React uses Virtual DOM to update the UI efficiently.

• Manipulating the real DOM is slower than m
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BCA in computer science

Q1. HTML CSS and JavaScript
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Q2. I'm looking for a job i skill and get experience
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Q3. Job Useful remember when information me
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