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XML and JSON

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Computer Science

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Study Guide

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XML and JSON

XML and JSON and its Uses on the Internet

and in Instructional Technology

For Students

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1 Introduction

Ten years ago, XML was the primary data interchange format. When it came on the scene, it was

a breath of fresh air and a vast improvement over the truly appalling SGML (Standard

Generalized Markup Language). It enabled people to do previously unthinkable things, like

exchange Microsoft Office documents across HTTP connections. With all

the dissatisfaction surrounding XML, it’s easy to forget just how crucial it was in the evolution of

the web in its capacity as a “Swiss Army Knife of the internet.” But it’s no secret that in the last

few years, a bold transformation has been afoot in the world of data interchange. The more

lightweight, bandwidth-non-intensive JSON (JavaScript Object Notation) has emerged not just as

an alternative to XML, but rather as a potential full-blown successor.

2 XML and Its Uses

XML stands for Extensible Markup Language. A markup language is used to annotate text or add

additional information. XML is the most common tool for data transmissions between all sorts of

applications. In the real world, computer systems and databases contain data in incompatible

formats. XML data is stored in plain text format. This provides a software- and hardware-

independent way of storing data. XML has a variety of uses for Web, e-business, and portable

applications. XML allows you to create interactive pages, allows the customer to customize those

pages, and makes creating e-commerce applications more intuitive. XML defines the type of

information contained in a document, making it easier to return useful results when searching the

Web. Markup technologies (i.e. XML and related technologies) can play an important role in

simplifying the development of educational applications and in making content reusable.

3 JSON and Its Uses

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1 Introduction Ten years ago,?XML?was the primary data interchange format. When it came on the scene, it was a breath of fresh air and a vast improvement over the truly appalling?SGML?(Standard Generalized Markup Language). It enabled people to do previously unthinkable things, like exchange Microsoft Office documents across HTTP connections. With all the?dissatisfaction?surrounding XML, it's easy to forget just how crucial it was in the evolution of the web in its capacity as a "Swiss Army Knife of the internet." But it's no secret that in the last few years, a bold transformation has been afoot in the world of data interchange. The more lightweight, bandwidth-non-intensive?JSON?(JavaScript Object Notation) has emerged not just as an alternative to XML, but rather as a potential full-blown successor. 2 XML and Its Uses XML stands for Extensible?Markup?Language. A markup language is used to annotate text or add additional information. XML is the most common tool for data transmissions between all sorts of applications. In the real world, computer systems and databases contain data in incompatible formats. XML data is stored in plain text format. This provides a software- and hardware-independent way of storing data. XML has a variety of uses for Web, e-business, and portable applications. XML allows you to create interactive pages, allows the customer to customize those pages, and makes creating e-commerce applications more intuitive. XML defines the type of information con ...
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