the world wide web (www) is the total collection of web pages stored on web servers located all over...
TRANSCRIPT
THE INTERNET
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The World Wide Web (WWW) is the total collection of web pages stored on web servers located all over the world
Many schools, companies etc. have their own web server
Web hosting companies also provide web servers
Web authors are the creators of web sites Web authors post their web sites to a web host
server
The World Wide Web (WWW)
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Web Sites
A web site is a series of pages that contain information about a related topic
A web sites purpose is to communicate with the reader, very similar to a newspaper or a magazine
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Hyperlinks
What makes websites different is that they connect to hyperlinks
A hyperlink is text or graphics on a web page that can be clicked to display another portion of that same page or another web page
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Types of Web Sites
Personal Informational E-commerce Discussion Portal Corporate Presence
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Surfing the Net
Surfing means to browse web pages, looking for interesting information
Hyperlinks are used for surfing
Hyperlinks are typically blue
The “Hand”
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URL (Uniform Resource Locator)
A URL is an address that is interpreted by a web browser to identify the location of a page on the web.
An example URL http://www.conneautschools.org
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We need web browsers to view web pages
A web browser interprets the programming language (HTML) and in turn displays the web site
Examples of web browsers include Internet Explorer and Netscape Navigator
Web Browsers
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Bookmarks (Favorites) Used to maintain a list of web pages used most
frequently. Saves time since you do not need to type in the
website address. NOT THE SAME as the history list Can organize bookmarks in folders Varies with Internet Explorer and Firefox
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Domain names give clues as to the type of organization
The URL http://www.nasa.gov has a .gov meaning it is a web site about a government organization
Other Examples: Com Edu Net Org
Domain Names
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Displays web pages as they will appear when printed
File/Print Preview tells you number of pages you will print
You can select specific pages to print by choosing File/Print
Print Preview and Printing a Web Page
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Searching the Web
A search engine is a program that searches a database of web pages for words that YOU supply
After entering search criteria, you are provided with a list of hyperlinks to web pages containing those word(s)
Search criteria can be single words or phrases
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Examplesof Popular Search Engines
Yahoo Ask Google Safari Bing AOL Search
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REMEMBER!
Remember, a search engine is NOT a web browser !
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Use a specific search engine by typing in the URL
OR
Click the search button on the toolbar to display the search pane (uses a pre-selected search engine)
Ways to Search
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Some search engines such as Google and Yahoo use:
+ sign - sign space
Other search engines do not use +, - , space but use the following:
And Not Or
Advanced Search Techniques – Boolean Logic -
Limits the number of matches to a reasonable number
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Be a responsible cyber citizen.◦ Just like being a citizen in your community, being a
cyber citizen has responsibilities. Use the internet to share knowledge that makes peoples lives better. Keep safe, use good manners, and respect the law.
Keep some control over the information you post. Kep your full name, Social Security number, address,
phone number, and bank or credit card account numbers to yourself.
Acceptable Social Networking
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Make sure your screen name doesn't say too much about you.
Be wary if a new friend wants to meet you in person. If you decide to meet them, meet in a public place, during the day, with friends you trust. And tell a responsible adult where you're going.
Post only information that you are comfortable with others seeing and knowing.
Acceptable Social Networking
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Consider not posting your photo. It can be altered or broadcast in ways you may not be happy about.
Flirting with strangers online could have serious consequences. Some people lie about who they really are.
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Trust your gut if you have suspicions. If you feel threatened by someone or uncomfortable because of something online, tell an adult you trust, and then report it to the police.
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The End