Unit 12 Using the Internet & Browsing the Web

 Understand the difference between the Internet and the World Wide Web  Identify items on a web page  Identify types & purposes of web sites  Use a browser  Refresh a web page  Show & manage history of recently visited pages  Manage bookmarked sites  Copy elements from web pages to other programs  Identify problems associated with using the Web

 Internet ◦ The network of hardware/devices  World Wide Web ◦ The way of accessing the info over the Internet

 HTTP ◦ Rules to transmit documents over Internet  HTML ◦ Language of a web page ◦ View…Source  Mosaic ◦ 1 st graphical browser  Web 2.0 ◦ Web with participation ◦ Wiki, social networking

 FTP ◦ Rules for transferring files over Internet  Wiki ◦ Collaborative site  URL ◦ The address of a page

 Many sites require cookies ◦ Small text file  Stored on your HD  Contains customer id info ◦ Personalizes your web visit ◦ When you visit the site, the ID# in cookie is sent to web site to look up history of your past visits  Profiles are formed from your activities

 Hosting the banner on servers and using third-party cookies, an advertising company is able to track the browsing of users across these two sites.

Play Video

 Plug-In (Add-on) ◦ Add-on for a program that adds functionality  Flash & QuickTime allow a browser to play multimedia files  iLyrics allows iTunes to get song lyrics

 Pop-Up Ads ◦ Appear in separate window ◦ Annoying; generally not dangerous ◦ Update IE/browser or Windows XP SP2 or pop-up blocking software  Pop-under

 Password DOES NOT mean secure  Secure Socket Layer (SSL) ◦ Encrypts the data (credit card #’s, etc.) ◦ URL will begin with  Log Off after leaving site ◦ Why?

 Copy from a page into Word ◦ Text ◦ Picture  Print a Page ◦ Use Print Preview ◦ Select range

 “Page Not Found” or “404 error” ◦ Page not there/moved ◦ Typing error  Turn Pop-up blocker on/off

Unit 12 Using the Internet & Browsing the Web