Explain Event Handling in React.
Explain Event Handling in React. SOLUTION…. Event Handling in React In React, event handling refers to managing user actions such as clicks, typing, mouse movement, or form submissions. It works similarly to handling events in plain JavaScript but uses camelCase syntax (e.g., onClick, onChange) and is written inside JSX. Key Points: CamelCase Events – React […]
What is DOM? Explain Directives in detail.
What is DOM? Explain Directives in detail. SOLUTION…. What is DOM? The DOM (Document Object Model) is a programming interface for web documents. It represents the structure of a webpage as a tree of objects, where each element (like headings, paragraphs, images, links) becomes a node. Using DOM, programming languages like JavaScript can access, modify, […]
Explain CRUD in MongoDB with an example.
Explain CRUD in MongoDB with an example. SOLUTION…. CRUD in MongoDB CRUD stands for Create, Read, Update, and Delete, which are the four basic operations performed on data in a database. In MongoDB, data is stored in collections as documents (JSON-like format), and CRUD operations help manage these documents. 1. Create (Insert data) Used to […]
Define URL. Explain types of URL
Define URL. Explain types of URL SOLUTION URL — Detailed Explanation A URL (Uniform Resource Locator) is the address used to locate and retrieve a resource on the internet. It tells a client (browser, API client, etc.) what protocol to use, which host to contact, where the resource lives, and optionally how to pass extra […]
Explain working of Email. Explain difference between Absolute and Relative URL.
Explain working of Email. Explain difference between Absolute and Relative URL. SOLUTION Email is a system to send and receive messages through the internet. When a user writes an email, it is sent via SMTP to mail servers. The recipient’s server stores the message, and the user can read it using POP3 or IMAP through […]
Explain OSI Model.
Explain OSI Model. SOLUTION OSI Model (Open Systems Interconnection Model) The OSI Model is a conceptual framework used to understand how different computer systems communicate over a network. It divides the communication process into seven layers, where each layer has specific functions and interacts with the layers directly above and below it. This layered approach […]
What is MANET? Explain types of MANET and discuss VANET in detail.
What is MANET? Explain types of MANET and discuss VANET in detail. SOLUTION What is MANET? A Mobile Ad Hoc Network (MANET) is a type of wireless network where devices (called nodes) communicate with each other without relying on fixed infrastructure like routers or access points. Each node in MANET acts as both a host […]
Explain hub and switch In detail.
Explain hub and switch In detail. SOLUTION Hub and Switch in Networking 1. Hub A hub is a basic networking device used to connect multiple computers or devices in a local area network (LAN). It works at the physical layer (Layer 1) of the OSI model. How it Works A hub receives data from one […]
Explain Working of Intranet and Internet & its Architecture.
Explain Working of Intranet and Internet & its Architecture. SOLUTION 1. Internet The Internet is a global network that connects millions of computers and devices worldwide using standard communication protocols (TCP/IP). It allows users to access websites, send emails, share files, and communicate across the globe. Working of Internet When a user enters a web […]
Define Topology. Explain star Topologies and bus Topologies.
Define Topology. Explain star Topologies and bus Topologies. SOLUTION What is Topology? Topology in computer networks refers to the arrangement or structure in which computers, devices, and network components are connected to each other. It defines how data flows between devices and how they communicate within a network. 1. Star Topology In a star topology, […]