A. ENGAGE

 

1. XML (Extensible Markup Language) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. It provides a standardized way to structure and store data, making it easy to exchange information between different systems and platforms.

 

 

 

XML uses tags to define elements, similar to HTML, but unlike HTML, XML does not have predefined tags. Instead, users define their own tags to create a hierarchical structure for the data.

 

2. JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write and simple for machines to parse and generate. It is widely used for transmitting data between a server and a web application, as well as for storing and exchanging structured data.

 

JSON data is represented as key-value pairs and organized into objects and arrays.

 

3. AJAX (Asynchronous JavaScript and XML) is a set of web development techniques that allows for asynchronous communication between a web browser and a server. It enables the retrieval and updating of data on a web page without requiring a full page reload. AJAX leverages a combination of technologies, including JavaScript, XML, and more commonly, JSON.

 



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