Lesson 3 Web Browsers
Network Applications Ask students to list some network applications. (Ex. Web Browser, Email application, Microsoft Office applications that are accessing a file on the cloud, etc A network application is a computer application in which either the program you are using, the data you are working with, or both, are on a network.
(Google Chrome, Internet Explorer) Web Browsers Web Browsers are network applications used to access the Internet. In fact, they are among the most popular network applications in the world. (Google Chrome, Internet Explorer) Each web page has a unique address, URL (Uniform Resource Locator) so that any computer can locate the information.
Think of URLs as street addresses for the Internet. Each web page has a unique address so that any computer can locate the information. http://www.mydomain.com/foldername/filename.html protocol host location Protocol- the language computers use to “talk” to one another Host- identifies the resource (network drive, computer, web page) Location- identifies where to find a resource on the host
Browser Features
A browser usually has many different types of controls. The back and forward buttons, a refresh button that allows you to reload the current page, a home button that returns you to a predefined page, a bookmark button that allows you to mark web pages for recall later, a settings button that allows you to access additional controls to customize your browser. Browsers allow you to open multiple webpages in other tabs. In most browsers, you can drag a tab off the browser window to create a completely new browser window.
Internet Explorer - default browser Introduced in 1995, most commonly used browser
Google Chrome Google Chrome Mozilla Firefox Developed by Google Released on September 2, 2008 Google Chrome Developed by Google Mozilla Firefox Developed by Mozilla Mozilla Firefox Developed by Mozilla
Mozilla Firefox Released in 2004
Opera Fast, user-friendly, with keyboard interface, multiple windows, zoom functions
Safari - Mac default browser Released in January 2003