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The Internet and the World Wide Web Renee Roland, Dan Waters, Amelia Wright The Internet Internet (aka the Net) Usage More than half a billion users Most common uses World Wide Web and e-mail History 1969: ARPANET Linked scientists and academic researchers

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the internet and the world wide web

The Internet and the World Wide Web

Renee Roland, Dan Waters, Amelia Wright

the internet
The Internet
  • Internet (aka the Net)
  • Usage
    • More than half a billion users
  • Most common uses
    • World Wide Web and e-mail
history
History
  • 1969: ARPANET
    • Linked scientists and academic researchers
  • 1986: NSFnet connected to ARPANET
  • Together the two became the Internet
  • Until 1995
    • NSFnet handled most traffic
    • 1995: terminated its network and returned to a research network
the internet today
The Internet Today
  • Public, Cooperative, and Independent
    • World Wide Web Consortium sets standards
  • Internet 2
    • Focus is on improving current internet
    • Develops and tests advanced technologies
      • Professionals able to communicate over long distances
connecting
Connecting
  • Dial-up
    • Modem and telephone line
  • Cable modem
    • Through cable television network
  • DSL and ISDN
    • Copper telephone lines
accessing
Accessing
  • Access provider
    • Free or for a fee
  • Internet Service Provider (ISP)
    • Regional or national access
  • Online Service Provider (OSP)
    • Internet access plus member only features
  • Wireless Internet Service Provider (WISP)
    • Wireless modems and mobile devices
ip address
IP Address
  • IP Address
    • Unique number, identifies each connected computer
  • Domain name
    • Text version of IP Address
  • DNS server
    • Translates domain name into IP address
world wide web components
World Wide Web Components
  • WWW
    • Worldwide collection of electronic documents
  • Web page
    • Each single document
  • Web address (URL)
    • Unique address for each web page
web browser
Web Browser
  • Web Browser
    • Allows users to access and view web pages
  • Web Server
    • Computer that delivers web pages to your computer
  • Link
    • Built-in connection to related web page
searching for information
Searching for Information
  • Search engine
    • Program that finds web pages and web sites
  • Search text
    • Typed keywords in search engine’s text box
  • Hits
    • Web pages that contain the search text
  • Web Site
    • Collection of related web pages and associated items
types of web sites
Types of Web Sites
  • Portal
    • Offers variety of services from one location
  • News
    • Contains newsworthy material
  • Informational
    • Contains factual information
  • Business/Marketing
    • Promotes or sells products or services
types of web sites cont
Types of Web Sites Cont.
  • Educational
    • Offers avenues for formal and informal teaching
  • Entertainment
    • Interactive and engaging environment
  • Advocacy
    • Describes cause, opinion, or idea
  • Personal
    • Maintained by private individual or family
evaluating a web site
Evaluating a Web Site
  • Not all information is true and accurate!
  • What to look for:
    • Affiliation
    • Audience
    • Authority
    • Content
    • Currency
    • Design
    • objectivity
web page multimedia
Web Page Multimedia
  • Multimedia
    • Combines text with graphics, animation, audio, video, and/or virtual reality
  • Graphic
    • Digital representation of non-text information
    • Ex: drawing, chart, photograph
  • Animation
    • Appearance of motion
web page multimedia cont
Web Page Multimedia Cont.
  • Audio
    • Music, speech, or any sound
  • Video
    • Full-motion images
  • Virtual Reality
    • Use of computers to simulate real or imagined environment
    • 3D
downloading music
Downloading Music
  • Go to a music website
    • Search for, select, and pay for the music
  • Download the music to your hard disk
  • Listen to the music from your hard disk
plug ins
Plug-ins
  • Plug-in: extends capability of a browser
  • Popular Plug-ins:
    • Acrobat Reader
    • Flash Player
    • QuickTime
    • RealOne Player
    • Shockwave Player
    • Windows Media Player
types of e commerce
Types of E-Commerce
  • E-Commerce
    • Business transaction over an electronic network
  • Business to Consumer
    • Sale of goods and services to general public
  • Consumer to Consumer
    • One consumer sells directly to another
    • Ex: E-bay
  • Business to Business
    • Businesses exchange goods
web page communication
Web Page Communication
  • E-mail
    • transmission of messages and files via the computer network
  • FTP ( File Transfer Protocol)
    • An Internet standard that permits file uploading and downloading with other computers
  • Newsgroup
    • an online area where users have written about a certain subject
  • Message Board
    • a popular Web-based type of discussion group
communication continued
Communication Continued
  • Mailing List
    • a group of e-mail names and addresses given a single name so all can receive the message
  • Chat Rooms
    • A location on the internet server that permits users to chat or conduct real-time typed conversations
  • Instant Messaging
    • Real-time internet communications service that notifies you when one or more people are online
netiquette
Netiquette
  • Netiquette or Internet Etiquette
    • a code of acceptable behaviors to be followed on the Internet.
  • Rules of Netiquette
    • Keep messages short
    • Be polite
    • Do not assume material is accurate or up to date
    • Never read someone’s private E-mail
what is web publishing
What is Web Publishing?
  • Web publishing is the development and maintenance of Web Pages.
  • Webmaster or Web developer maintains a Web using software products
  • Five major steps to web publishing
plan a website
Plan a Website
  • Identify the purpose of the website
  • Characteristics of the people who would want to visit the website
  • Determine ways to differentiate your website from others
analyze and design a web site
Analyze and Design a Web Site
  • Determine specific way to meet the goals identified in planning
  • Design layout
    • Text, graphics, audio, video, and virtual reality
  • Obtain required hardware