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Web Technology and Multimedia (HTML Part 2 (HTML can be used to create and…
Web Technology and Multimedia
HTML Part 1
Is a programming language which controls the appearance of web page/tells the browser how to display a web page
Uses special tags to specify the structure of the web page/header/body
Its uses special tags to specify the content/multimedia elements/text/images/tables
it uses special tags to set attributes such as fonts/background colour and hyperlinks/navigation buttons
Style sheets can be created to control sections/pages
HTML Part 2
HTML can be used to create and edit web pages by setting the properties of the web pages, using tags, inserting multimedia elements (text, images, sounds, moving video clips)
HTML = Hyper Text Markup Language
A markup language describes how a document should be organised and presented. it is a markup language for describing web pages
(P) = paragraph
(IMG) = Image
(Href) = Hyperlink
(A) = Anchor
(OL) = ordered list
(UL) = Unordered List
CSS Part 1
CSS = Cascading Style Sheet
A style-sheet is a plain-text document that provides a definition of the formatting and layout of the various elements in a HTML file
Style-sheet facilitate consistent design
A main/master style-sheet can be linked to numerous documents, then other style-sheets can also be linked in which will override any rule that are also defined in the master style-sheet, whilst adding others that were not mentioned in the master
Strict rules specify which rules override others, hence the term cascading
CSS Part 2
CSS is a language that describes how the HTML elements in a web page should be displayed
The <style> tag is used to achieve this. When web pages are to be displayed on different devices such as mobile phones
CSS is used to define any layout and differences in display
Client-side processing
When a user is carrying out a series of operations over the internet, data transmission can be enhanced if as much processing as possible can be done on the user's computer
The clients-server model of networking splits the processing workload between the server computer, which provides resources and services and the client computer which requests services
client side processing reduces the load on the server, which may become busy handling multiple transactions
The user will have a better experience if data is checked immediately upon entry. it reduces the volume of web traffic by reducing the need to transmit error messages and receive further redrafted copies of user input
Applications are installed on the server and used at the client computer. client side scripting and processing enables interaction on a webpage
Server side processing
Data validated at the client side may still have issues that only server side checks can identify
Online Form Submission
The server will send a copy of the blank form to the client computer as a web page
The user's browser performs any processing it can on the client computer, such as validation of data entered