chp 7

• Internet


  Inter-networking, large network that connect the links millions of businesses, government agencies, educational institutions, and individuals
• World Wide Web (WWW)


  Multimedia interfaces of Internet resources
• ARPANET launched


  1969
• World Wide Web introduced

  1991
• Web Generations


  • Web 1.0
  • Web 2.0
  • Web 3.0
• Web 1.0


  • Linking existing information focus
  • Search programs were created
  • Provide links to websites with specific words or phrases
• Web 2.0


  • Dynamic content creation
  • Facebook is most common in Web 2.0
• Web 3.0


  • Personalized content creation for users
• Common Internet Uses


  • Communicating
  • Shopping
  • Searching
  • Education or E-learning
  • Entertainment
• Internet Service Provider (ISP)


  Common way to access the Internet<|>Provide a path to access the Internet<|>Use telephone lines, cable, and/or wireless connections
• ISPs in US


  • Verizon
  • Comcast
  • Sprint
  • T-Mobile
  • AT&T
• ISPs in Malaysia


  • Maxis
  • Celcom
  • TMnet
• IP address


  Sequence of numbers that uniquely identifies each computer or device connected to the Internet
• Domain name


  Text-based name that corresponds to the IP address
• DNS server


  Translates the domain name into its associated IP address
• Browsers


  • Provide access to web resources
  • Allow you to explore the web
  • Uncomplicated interface to the Internet
  • Connect to remote computers
  • File transfer
  • Display many varieties of multimedia
• Uniform Resource Locator (URL)


  Location or address of resource
• Protocol


  Rules for exchanging data
• Domain name


  Where resource is located
• Top-Level Domain (TLD)


  Identifies the type of organization
• Hypertext Markup Language (HTML)


  Markup language for displaying web pages
• Hyperlinks or links


  Connect to other web pages, text files, graphic images, audio and video clips
• Interactive Web Sites


  • Cascading Style Sheets (CSS)
  • JavaScript
  • AJAX
  • Applets
• Mobile Browsers


  Designed to run on portable devices
• Web Utilities(Specialized utility programs that make using the Internet and web safer and easier)


  • Plug-Ins
  • Filters
  • File Transfer Utilities
  • Internet Security Suites
• Plug-Ins


  Automatically start and operate as part of your browserEnhanced browsing experience<|>Enables special file formats and multimedia elements
• Filters


  Block access to selected sites and can set time limits<|>Monitor total time spent on the Internet and at individual web sites
• File Transfer Utilities


  Upload and download files to and from the Internet
• Downloading


  Using file transfer utility software, you can copy files to your computer from specially configured servers
• Uploading


  Using file transfer utility software to copy files from your computer to another computer on the Internet
• File Transfer Utility Types

  • File transfer protocol (FTP) / Secure file transfer protocol (SFTP)
  • Web-based file transfer services
  • Bit-Torrent
• File transfer protocol (FTP) / Secure file transfer protocol (SFTP)


  Allow you to efficiently copy files to and from your computer across the Internet<|>Frequently used for uploading changes to a website hosted by an Internet service provider
• Web-based file transfer services

  Make use of a web browser to upload and download files<|>Eliminates the need for any custom software to be installed
• Web-based file transfer service

  • Dropbox.com
• Bit-Torrent


  Distributes file transfers across many computers for more efficient downloads<|>Good for transferring large files
• Internet Security Suites


  Designed to maintain your security and privacy while on the web
• Internet Security Suites


  • McAfee Internet Security
  • Symantec Norton Internet Security
• Communication


  • Email
  • Messaging
  • Social Networking
  • Blogs, Microblogs, Webcasts, Podcasts and Wikis
• Email


  Transmission of electronic messages over the Internet
• Email Elements


  • Header
  • Message
  • Signature