XML full form in computer|| History, applications, APIs, pros & cons!!

XML full form in computer

XML full form in computer: Extensible Markup Language.

XML is nothing, but a computer language. It is used to encode or write documents in the form of lines of code. The XML is one of the easiest languages to code in. After HTML, XML has a huge usage in the market. The markup language is very popular when it comes to designing. Of decorative websites and web assets. Moreover, the codes are quite easy to understand. For both - humans as well as for computers. This language comes with a few rules and instructions. It helps users to code with a very few opening and closing tags. Moreover, it is the only language, that could be modified with great ease.

Coming to its history, XML is the succeeder of the Standardised Generalised Markup Language ( or SGML). XML has its past relations with the company of IBM. Moreover, according to some resources, its predecessor - SGML. Was invented by some employees of the IBM company. Goldfarb, Mosher and Lorie were known to be the masterminds after XML. These three persons have developed the SGML. But due to certain limitations, developers modified it and generated the XML computer language. XML is now a great language, used for developing web-related applications. Moreover, knowing XML full form in computer is worth it.


The world of software is huge and big. But since, XML is a small facet of it. Developers have developed a number of APIs. Only to access those XML files in existence. However, the whole type of APIs are divided into the following types:

1. Above all, comes the stream-oriented APIs. These are APIs which help the users to access the XML files. By writing some lines of code. In the very languages of SAX and StAX.

2. Then comes the tree traversal APIs. These are unique kind of APIs to access the XML documents. However, they work only with DOM programming language.

3. Moreover, there is an entirely different process known as XML data binding. It is used to get a translation between the XML codes and the programming codes in use.

4. The developer community have developed entirely separate programming languages. To directly access the XML files. Moreover, these are known as general-purpose languages. LINQ, Scala, XSLT and XQuery are its very examples. Moreover, knowing XML full form in computer is worth it.


1. With its ease of use and easy editing options. It is now serving as a base language for several big applications. There are a lot of big brands and software giants that have implemented this in their official applications.

2. A lot of web assets and applications uses this language as their content language. With the use of XML language, making web applications, software, and other assets have become a child's play.

3. XML has grown its user count to some billions. It is one of the most used languages in the world. That's why big brands like Apple, Microsoft and Google have made XML as its default.

4. XML is the life of Service-oriented architecture or SOA. In this system, different functions communicate with each other by XML messages only. However, everything is possible only with the XML schema also known as the XSD.


  • XML is one of the fastest editable programming languages. And it comes with a lot of fast modification options. This is one of the most used languages to build and modify web-related assets.
  • The markup language uses some of the basic tags, that are listed below. However, the tags start with '<' and end with '>'.
  • Moreover, the starting tag is like <text> and the ending tag is like </text>. A forward slash is a must after the starting bracket. To close the tag successfully. Moreover, the empty element tag is like <line-break/>.
  • Coming to the declaration part. The XML file starts with the XML text at the beginning. Then the tag tells about it, via its name. <xml version = '4'> is one of its great example.


  • Unicode is one of its prime notable features. XML supports Unicode and hence makes the communication between humans and computers easier.
  • A great language to implement and use computer science assets. From data structures, trees, lists to records.
  • It maintains a strict syntax for its algorithms to work. This makes the coding part easy, simple and consistent.
  • Its hierarchical structure enables its usage in all types of documents, known to exist.
  • The XML language is completely platform-independent and is extremely easy to edit.


  • The syntax used in XML language is relatively big. Compared to similar functions with the same syntax.
  • Its hierarchical structure is limited to certain functions only. However, object-oriented programming provides a lot more options to customize.
  • XML provides haptic options to design its data structures. It increases its space between its attributes and methods. That becomes hard to handle.
  • XML codes are verbose. They are sometimes hard for humans to read. In comparison to other text-based programming languages.


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