In this article, I Explain What is Hypermedia, HTML, XML, SMIL With Example, the Difference between HTML and XML. Hypermedia is used as a logical extension of the term hypertext in which graphic, audio, video. HTML, XML, SMIL all are related to each other.
What is Hypermedia?
Hypermedia is used as a logical extension of the term hypertext in which graphic, audio, video. Plain text and hyperlinks intertwine to create a generally non-linear medium of information. However, this contrasts with the broader term multimedia, which may be used to describe non-interactive linear presentations as well as hypermedia. It is also related to the field of electronic literature. A term first used in a 1965 article by Ted Nelson. The world wild webs is a classic example of hypermedia.
Similarly, the first hypermedia work was, arguably, the Aspen Movie Map. Atkinson’s Hyper card popularized hypermedia writing, while a variety of literary hypertext and hypertext works, fiction and nonfiction, demonstrated the promise of links. Most modern hypermedia is delivered via stand-alone applications. Audio hypermedia is about voice command devices and voice browsing.
What is HTML?
HTML stands for HyperText Markup Language, this is a language for publishing hypermedia on the world wild web. it is defined using SGML and derives elements that describe generic document structure and formatting. Since it uses ASCII, it is portable to all different computer hardware, which allows for the global exchange of information. The current version of HTML is version 5, specified in 2014. now the generation of HTML is XHTML,a reformulation of HTML using XML.
HTML uses tags to describe document elements. the tags are in the format<token params>to define the start point of a document element and </token>to define the end of the element. Some elements have only inline parameters and don’t require ending tags. For instance, HyperText Markup Language divides the document into a HEAD and a BODY part.
Read More: What is URL?
A Simplified HTML Example:
<!Doctype html> :This tag for HTML5
The head describes document definitions which are parsed before any document rendering is done. These include the page title, resource links. and meta-information the author describes specifying. Similarly, the BODY tag describes the document structure and content. Common structure elements are paragraphs, tables, forms, links, item lists. and button. These things need to create an HTML or web page.
XML stands for EXtensible Markup Language, XML is a markup language much like HTML. However, XML was designed to carry data, not to display data like HTML. In this language, the tag is not predefined, For instance, you must define your own tags, XML is designed to be self-descriptive.
A Simplified XML Example:
<? XML Version=”1.0″?>
<body>Don’t Forget to Bring the book !</body>
The difference Between XML and HTML
XML was designed to transport and store data, with a focus on what data is. Similarly, HTML is about display information or data.
What Is SMIL?
SMIL stands for Synchronized Multimedia Integration Language, SMIL pronounced as a “smile”. Therefore, this Language for describing audiovisual presentations, SMIL is easy to learn and understand. This language is like HTML Language, but SMIL written in XML. For instance, SMIL presentations can be written using a text editor, This language is also the W3a(World Wide Web Consortium) recommendation like XML Language.
A Simplified SMIL Example:
<seq repeatcount=”Indefinite” >
<img src=”image.jpg” dur=”3s”>
<img src=”image1.jpg” dur=”4s”>
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