internet and web
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Internet and WebChapter 2
Daphne M. WilsonDue: June 20, 2011
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Table of Contents
Origin of the Internet and Web– Internet– Web
Accessing Web using Providers and Browsers– Providers– Browsers
Internet Communications– E-mail– Instant Messaging– Social Networking– Blogs, Micro blogs, and Wikis
• Blogs• Micro Blogs• Wikis
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Internet and WebThe Internet and Web are always mistaken to be the same.
• Internet is the “Information Superhighway” that is connected to people all over the world (O’Leary & O’Leary, 2011)
– Text
• Web is the Multimedia intersection to data on the Internet (p. 30)
– Graphics– Animations– Sounds
Internet“Information Superhighway”
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Internet
• 1969 U.S. Funded a Project called ARPANET (O’Leary & O’Leary, 2011)
Advanced Research Project Agency NETwork
• It is a Large Network that connects with smaller networks throughout the world.
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Web
• 1991 Switzerland introduced CERN (Center for European Nuclear Research).
• Elements include:– Graphics– Animations – Sounds
• Multimedia Interface(O’Leary & O’Leary, 2011)
Before the Web, Internet was all text
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Accessing Web using Providers and Browsers
Providers“Companies that Access”
(O’Leary & O’Leary, 2011)
Browsers“Programs that Access” (p.33)
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Providers
An Already connected Internet Service provider “companies that access” the
Internet
– National Service Provider• Access through a telephone or cable connection
– AOL, Comcast, Verizon, Cox
– Wireless Service provider (O’Leary & O’Leary, 2011)
• Connections for wireless devices– Laptops– Tablets– Cell Phones
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Browsers
Software “programs that access” the Web and allow you to view and transfer files
– Firefox, Safari, Internet Explorer, etc. (O’Leary & O’Leary, 2011)
Allow you to explore “Surf” the Web and accessing web addresses – URL (Uniform Resource Locator)
• Protocols (http or https)• Worldwide web (www)• Dot (.)• Domain name (bryantstratton.edu)• Top-level domain (edu, com, net, gov)
http://www.bryantstratton.edu
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Browsers cont.
• HTML (Hypertext Markup Language)– creates documents to show the web
pages
• Hyperlinks– links to help you navigate
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Internet Communications
There are many ways to communicate over the internet such as:
EmailInstant MessagingSocial NetworkingBlogsMicro BlogsWikis(O’Leary & O’Leary, 2011)
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E-mail (Electronic Mail) is the most popular way to communicate.HeaderMessageSignature
Header Elements:Addresses-Send one or multiple addressesSubject Line- Description of the messageAttachment-Send Graphics, Documents, Files (O’Leary & O’Leary, 2011)
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Instant Messaging
Direct conversation through the internetMessage/TextVideo Messaging
Video Conferencing
Voice MessagingThere are many Instant Messenger Services
Yahoo Messenger, MSN Messenger, AOL instant Messaging (AIM), ICQFacebook Messenger
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Social Networking
• Reuniting sites-Contact with old friends, classmates, or Co-workers.– Classmate.com– Facebook.com
• Friend of a Friend sites-Communicate with people who many not know one another.– Friendster.com– Myspace.com
• Common Interest sites-Creates connection by an interest two people may have (O’Leary & O’Leary, 2011)
– Meetup.com
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Blogs, Micro Blogs, & Wikis
• Blogs- (O’Leary & O’Leary, 2011)
– Time stamped online journals, or a writing on specific topics, such as current events, hobbies, etc. • Blogger • Wordpress
• Micro Blogs (p.39)
– Small blogs let friends know what you’re up to. • Twitter
• Wikis– Sites anyone could edit with
missing information or up to date current issues
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Reference
O’Leary, T. & O’Leary, L. (2011). Computing Essentials 2012 Introductory Edition. Boston: McGraw Hill Higher Education.
Google (2011). Google Images[22 Graphics]. Retrieved June 15, 2011, from http://www.google.com/imghp?hl=en&tab=wi