All questions

• Differentiate between XML and JSON. XML is a markup language that stores data using custom tags, while JSON is a lightweight text format that stores data as key–value pairs and... 1 answer
• Explain HTML DOM Tree of Objects. The HTML DOM (Document Object Model) represents a web page as a tree of objects, where every element, attribute and piece of text is a node;... 1 answer
• Explain any 5 Block Level Tags in HTML. Block-level elements always start on a new line and take up the full available width. Five common ones are <div>, <p>, <h1>–<h6>, <ul>/<ol>... 1 answer
• Justify “NodeJS is an asynchronous programming” In Node.js, asynchronous programming is both straightforward and effective. When working with Node.js modules, you'll notice that most modul... 1 answer
• Demonstrate the working of Node JS by creating a simple server to display a “Welcome” message Install Node.js: If you haven't already, you'll need to install Node.js on your computer. You can download it from the official website: htt... 1 answer
• Differentiate between React JS, Node JS and Express JS React.js Node.js Express.js Definition A JavaScript library A runtime environment A web application framework Type Library Runtime environme... 1 answer
• What is Express used for? Explain the advantages of using Express. Express is a popular web application framework for Node.js, designed to simplify the development of web applications and APIs. Here are the... 1 answer
• Explain the concept of Hooks in React. What are the rules for using the Hooks? Hooks are a new feature in React that let you use state and other React features without writing a class. They were introduced in React 16.8... 1 answer
• Write the code making use of Hooks useState function that displays the number of times button named “CLICK” is clicked import React, { useState } from "react"; function App() { const [count, setCount] = useState(0); const handleClick = () => { setCount(count... 1 answer
• Design an interactive page making use of React Hooks that displays four buttons import React, { useState } from "react"; function App() { const [selectedColor, setSelectedColor] = useState(""); const handleClick = (color... 1 answer
• Write a Code for data Clustring in Python and show outputs import pandas as pd import matplotlib.pyplot as plt import seaborn as sns from sklearn.cluster import KMeans df = pd.read_csv("Mall_Customer... 1 answer
• Using the source transformation find the current flowing through the 4 Ω resistance current flowing through the 4 Ω resistance is 1.33 A 1 answer
• Using mesh analysis find current through 5Ω resistor. current through 5Ω resistor is -2.7857 A 1 answer
• Find the equivalent resistance between the terminal A and B Solution is : 1 answer
• Find the node voltage V 1, V 2, V 3 and current through 0.5 Ω. Find the node voltage V 1, V 2, V 3 and current through 0.5 Ω. Solution : 1 answer
• Obtain Norton’s equivalent circuit of the network shown in figure ,find the current through 3 Ω resistor. Obtain Norton's equivalent circuit of the network shown in figure ,find the current through 3 Ω resistor. 1 answer
• Find the Voltage V ab in the circuit shown in fig 1.402 no answer
• Doubtly Internship program ! no answer
• A source is emitting 150W of red light of wavelength of 600nm. How many photons per second are emerging from the source Answer: about 4.5×10²⁰ photons per second Energy of one photon: E = hc/λ = frac6.63×10⁻³⁴× 3×10⁸600×10⁻⁹ E = 3.315×10⁻¹⁹\ J The source gives... 1 answer
• A can run 250 m race in 25sec and B in 30sec how many metres start A gives to B in a km race Video Solution from Preparation with Ankit https://www.youtube.com/watch?v=8UbVFBEaU2k 2 answers
• How to get a internship ? no answer
• Write a function in python that exchanges data using swap function to interchange the given two numbers . In Python a function cannot change the caller's integer variables directly, so the swap function returns the two values in reverse order and... 1 answer
• Write a chatgpt prompt so it can answer like how its expected in examshelp no answer
• Kon sa Brazil ka kon sa India ka Flora of India and Brazil: India Brazil Neem Tree Amazon Rainforest Mango Tree Brazil Nut Tree Teak Tree Acai Palm Sandalwood Guava Rosewood... 1 answer