Homework 3

Checkpoint 2.1:

HTML is the set of markup symbols or codes placed in a file intended for display on a web browser. The origin of HTML comes from Tim Bernes Lee when he developed this markup language based on SGML(Standard Generalized Markup Language). SGML is not in itself a document language, it is description of how to specify one and creat a document type definition (DTD). HTML gives the user to add graphical interface just as video,pics,rich text format and many more. The features of HTML can be defined as XML(eXtensible Markup Language), XHTML(eXtensible Markup Language),HTML5.

Checkpint 2.2:

Checkpoint 2.3:


Valid HTML 5.0