and mark-up languages that combine to deliver information and services over the Internet
How the Web Works (continued)
•Hyperlink:
–Highlighted text or graphics in a Web document that, when clicked, opens a new Web page
•Web browser:
–Web client software such as Internet Explorer, Firefox, and Safari used to view Web pages
•Hypertext Markup Language (HTML):
–Standard page description language for Web pages
How the Web Works (continued)
•HTML tags:
–Tell the Web browser how to format text
•Extensible Markup Language (XML):
–Markup language for Web documents containing structured information
•Cascading Style Sheet (CSS):
–Markup language that defines the visual appearance of content in a Web page
Web Programming Languages
•Java:
–Object-oriented programming language from Sun Microsystems based on C++
–Allows small programs (applets) to be embedded within an HTML document
•Other languages:
–JavaScript, VBScript, and ActiveX
–Hypertext Preprocessor (PHP)
Web Services
•Standards and tools that streamline and simplify communication among Web sites
•XML:
–The key to Web services
Developing Web Content
•Web publishing tools:
–.NET, Bubbler, Homestead QuickSites, and JobSpot
•Mashup:
–Named for the process of mixing two or more hip-hop songs into one song
Internet and Web Applications
•Popular uses for the Internet and Web:
–Publishing information
–Assisting users in finding information
–Supporting communication and collaboration
–Building online community
–Providing software applications
–Providing a platform for expressing ideas
–Delivering media of all types
–Providing a platform for commerce
–Supporting travel and navigation
Online Information Sources
•News and opinion:
–The Web is a powerful tool for keeping informed about local, state, national, and global news
•Education and training:
–Web is ideally suited:
•As a tool for sharing information and a primary repository of information on all subjects
–Distance education:
•Conducting classes over the Web with no physical class meetings
Online Information Sources (continued)
•Business information:
–Businesses often use Internet and Web-based systems for knowledge management
•Personal and professional advice and support:
–Medical and health Web sites assist in diagnosing health problems and advising on treatments
–The Web is an excellent source of job-related information
Search Engines and Web Research
•Search engine:
–Enables you to find information on the Web by specifying keywords
–Market is dominated by Google