Wednesday, June 29, 2011

ICT II - Lecture 3

Lecture 3


Browser software programs
– Enables you to access and view world wide web. Example; Internet Explorer, netscape, Mozilla firefox, opera, google chrome, etc.


Parts of a Web Browser

Most of the useful tools available in a web browser are located in the top section of the browser. There are four different toolbars in each web browser; The title bar; The menu bar; The navigation bar; The address bar.


The Title Bar


This displays the title of the web page you are viewing, followed by the name of the web browser you’re using. The title bar is usually in blue.


The Menu Bar

Right below the title bar is the menu bar, the menu bar has several menu buttons. Clicking on one will open up a drop- down menu selection where selected operations can be performed.


The Navigation Bar

The navigation toolbar allows you to access a web site by entering its URL in the address box provided. Also present on the navigation toolbar are the Back, Forward, Reload and Stop buttons
Back – brings you back to the previous page
Forward – brings you to the next web page that you already accessed
Reload – forces Mozilla to re access the web site and load the current web page.
Stop – halts the loading of a web page that is currently proceeding.
Home – brings you back to the browser’s home page, or the page that automatically shows when you open your browser.


Parts of a Web Address


The web address http://www.cnn.com has a number of different parts, it is important to understand what those parts mean.
- The http:// stands for Hyper Text Transfer Protocol. This helps your web browser locate the web page or web site, and to display it for you to see. Most browser will automatically add this prefix, so you don’t have to worry about typing it everytime.
- The WWW stands for the World Wide Web. This means that the page you are looking for is somewhere on the World Wide Web.
- The next section is the cnn in this example, is the name of the web page or web site. It is flanked by dots, which it from other sections of the web address.
- The .com here is the domain name. This tells you where the web page is registered, and often tells you what kind of web site it is.

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