The Internet. What is the Internet? A worldwide network of computers which are connected to each...
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The Internet
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What is the Internet?
A worldwide network of computers which are connected to each other. The Internet makes disseminating
information quick and easy.
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3 Features of the Internet
The Web (WWW) Discussion Lists (also known as
discussion boards or forums) Email
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Comparing Internet Features
Feature Used For
The Web Viewing Information
Discussion Lists Viewing and Sending Information
(Groups)
Email Viewing and Sending Information
(Individuals)
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The Web
Also known as the World Wide Web, this is where you will
find Web sites.
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Types of Web Sites
Commercial (.com sites) Educational (.edu sites) Government (.gov sites) Organizational (.org sites)
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Commercial Web Sites
These are the types of Web sites designed to sell a product or service.
You will usually find advertising on this type of site. These are probably the
most common type of Web sites on the Web. For example, Amazon.com
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Educational Web Sites
These are the Web sites of colleges, universities, and some K-12 schools.
Also, many Web sites created by professors tend to be .edu sites. An example of an educational Web site:
DSU’s Web site
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Government Web Sites
There are both federal and state government Web sites on the Internet. Information for local governments may be found within state government Web
sites or other sites. An example of a government Web site: the United States
Dept. of Agriculture Web Site.
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Organizational Web Sites
These are Web sites created by non-profit organizations, such as
the American Red Cross Web Site.
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Search Tools for Finding Web Sites on the Web
Search Engines Directories
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What is a Search Engine?
A computer program for retrieving information from the Web. Search
engines are used when you want to do a KEYWORD SEARCH for Web sites. Use a search engine when you want to find
Web sites containing a particular word, phrase, or quote.
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2 Types of Search Engines
Individual Search Engines Meta-Search Engines
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Individual and Meta-Search Engines
Individual Compile their own
lists of search results
Use spiders to search the Web
Meta-Search Group lists of
individual search engines’ results together
Use individual search engines to search the Web
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Examples of Individual Search Engines
Google (www.google.com) Lycos (www.lycos.com) Alta Vista (www.altavista.com) Go.com (go.com) (No www prefix) msn (www.msn.com)
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Examples of Meta-Search Engines
Dogpile (www.dogpile.com) Metacrawler
(www.metacrawler.com) Search.com (www.search.com)
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What is a Directory?
A categorized listing of Web sites. In a directory, you will find broad subjects.
Under each subject, there are more specific topics. Under the topics, you’ll find Web
sites. Use a directory to BROWSE for Web sites by subject.
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Examples of Directories
Dmoz Open Directory Project (www.dmoz.org)
Yahoo! (www.yahoo.com) Google Directory
(www.google.com/dirhp)
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Main Differences Between a Search Engine and a Directory
Search engines are for keyword or phrase searching and directories are for
subject browsing. Search engines operate without human intervention, but
directories use subject categories created by human editors.
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What is a Discussion List?
A discussion list, also known as a discussion forum or group, is a feature
of the Internet which allows you to communicate with others on the Web. In
a discussion list, you can send messages to others and read their
messages.
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2 Types of Discussion Lists
General Subject Specific
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Examples of General Discussion Lists
Google Groups (www.google.com/grphp)
Yahoo! Groups (http://groups.yahoo.com)
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Examples of Subject Specific Discussion Lists
Internet.com Forums Civil War Forum
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Google Discussion Groups
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What is Email?
Similar to discussion lists, email is also a feature of the Internet which allows
you to communicate with others. However, there is a main difference: discussion lists are mostly for group
communication and email is mostly for communication between individuals.
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2 Types of Email Accounts
Commercial Email Accounts (Freely available on the Internet and usually free of charge)
Email Accounts Associated with a School, Business, or Other Organization (only available to those associated with the organizations)
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Examples of Freely Available Email Accounts on the Internet
Hotmail (www.hotmail.com) Yahoo! Mail (www.yahoo.com) Excite (www.excite.com)
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An Example of an Email Account Not Available to Everyone
A Delta State University email account
(Only available to students and faculty of
DSU)
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Netiquette
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What is Netiquette?
Netiquette is exercising common courtesy when using the Internet. It requires using caution when posting messages in a discussion forum and when sending someone a message
through email.