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

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