CBSE Class 8 Computer Science Chapter 4

CBSE Class VIII Computer Science Chapter 4 – Web Design-II

HTML is a markup language that web browsers use to compose text, images and other material on the web pages. Tim Berners-Lee invented the World Wide Web in 1990 to facilitate sharing and updating information on Web using HTML. HTML elements consist of tags enclosed in angle brackets. HTML contains container tags and empty tags. A container tag has start tag as well as end tag. An empty tag only contains start tag. 

A hyperlink is a reference in a hypertext document to another document on WWW. There are two types of hyperlink – external hyperlink and internal hyperlink. External hyperlink is used to link other domains outside the webpage. Internal hyperlink links to anchors within the current webpage. Different types of images can be used in a web page such as static images or animated images. Images in web sites may be logos or any other clickable navigation aids. HTML supports three types of lists – numbered/ ordered list, unnumbered/ unordered List and definition list. An unordered list starts with the <UL> tag. An ordered list starts with the <OL> tag. A definition list starts with the <DL> tag. 

Various web designing tools are available to design a webpage such as Photoshop, Dreamweaver etc. Photoshop has all the necessary tools and options for manipulating images and creating web graphics. Dreamweaver is used to share smart objects for quick and easy update and to edit graphics components. Panic Coda is a shareware web development application for the Mac OS X operating system. Firebug is a web development tool for the Firefox.