1 / 11

Bits 2513 internet technology

Bits 2513 internet technology. Topic : www technology. W hat is WWW. www (world wide web) A network of information resources T he web relies on three mechanisms to make these resources readily available to widest possible audience:

wilmer
Télécharger la présentation

Bits 2513 internet technology

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Bits 2513internet technology Topic : www technology

  2. What is WWW • www (world wide web) • A network of information resources • The web relies on three mechanisms to make these resources readily available to widest possible audience: • A Uniform Naming Scheme for locating resources on the web (e.g URIs) • Protocols for access to named resources over the web (e.g HTTP) • Hypertext for easy navigation among resources (e.g HTML)

  3. TERMS AND DEFINITIONS • Web browser (web client, called a browser) • Is the software that allow to interact with information available on the internet • Html (hypertext markup language) • A tagging languages used to compose documents that will be viewed by a web browser • Web page • A mixture of text, graphics, sound and animation the html format, to make information accessible in a easy to understand format using the internet. • Web site • A collection of web pages connected (linked) by hypertext clickable links.

  4. TERMS AND DEFINITIONS • Web site storage / hosting • after a web site is designed it must be stored on a computer that can be accessed through the internet and the World-wide Web • World-Wide Web • WWW is a pair of software application, which allow both distribution of and access to information on the internet. • The web is not the internetBUT, a means of distributing and accessing the information that is on it. • E-COMMERCE / E-BUSSINESS ( Electronic Commerce or EC) • Is the buying and selling of goods and services on the internet, especially on the World-Wide Web. • HTTP ( Hypertext Transfer Protocol) • Is the set of rules for exchanging files (text, graphic image, sound , video, and other multimedia files ) on the World-Wide Web.

  5. Web page • Known as html (hypertext mark-up language) document accessible on the world wide web • web pages can be static, dynamic or active • static pages • Are fixed-content documents that are created and stored in a server. thus, show the same content each time they are viewed. ( E.g bold word ) • Dynamic pages • Have content that can change each time they are accessed. these pages are written in scripting languages which run functions on the server that return information ( E.g, date) • Active pages • are programs or scripts to be run at the client side ( E,g Applets, Scripts, Plug-in)

  6. How web page works Sample web page and its source. • The source contains the instructions that define the contents, layout, and structure of a web page. • The instruction are written in HTML OR ANOTHER WEB AUTHORING TOOL USED IN CREATING THE PAGE • THE BROWSER USES THESE INSTRUCTIONS TO INTERPRET AND DISPLAY THE WEB PAGE ON THE SCREEN

  7. How the WEB works 1. USER SENDS REQUEST 2. BROWSER INTERPRETS USER’S SELECTION AND MAKE REQUEST TO SERVER 5. USER RECEIVES FILE DESPLAYED BY THE BROWSER 3.SERVER ACCEPTS AND PROCESSES REQUEST FROM BROWSER 4. SERVER SENDS REQUESTED FILE TO BROWSER TO BE INTERPRETED

  8. PROGRAMMING LANGUAGES • Used to write software, process Web forms, fetch and display data, and perform all kinds of advanced functions.

  9. Cascading Style Sheets • Cascading Style Sheets (CSS), developed by the World Wide Web Consortium (W3C), is a feature of HTML that makes it possible to apply consistent formatting to the HTML documents in a Web site. • CSS helps Web developers separate the design of a Web site from the content included in the Web site. • CSS work by controlling how the information on a Web page or entire Web site is displayed.

More Related