World Wide Web Browser Details
                         Module W10c Review

OBJECTIVES ~
A.Discuss the advantages and disadvantages of the major web
	browsers 
B.Discuss browser compatibility issues 
C.Describe what Web browsers do, in general, when they find
	and display information, including: 
	1.Contacting the server 
	2.Formatting text 
	3.Dealing with images 
	4.Dealing with other non-HTML files using built-in
		browser features and "plug-ins" 
D.Describe "plug-in" 
E.Explain the ways in which you can retrace your steps to
	find sites previously visited 
F.Discuss the concept of caching files 
G.Explain the difference between opening a "file" and
	opening a "location" 
H.Describe printing and printing options 
I.Explain how to save network objects on your disk: 
	1.documents 
	2.graphics 
J.Cut-and-paste information from a browser: 
	1.URLs 
	2.Text elements 
K.Use the document search feature in a browser 
L.Reload or Refresh a document 
M.Use the Backward, Forward, and Home buttons or navigation
	(Go) menu 
N.Use bookmarks or hot links and save the file 
O.Discuss the major options and preferences 

QUESTIONS ~

	1.	Describe the steps of Web browsers contacting a
		server after the user clicks on a link. [C1]





	2.	Describe how Web browsers format text [C2]





	3.	What image formats can Web browsers display without
		calling on other programs? [C3]






	4.	Describe how Web browsers deal with most file types
		which cannot be displayed by the browser itself. [C4]








	5.	Describe "plug-in" [D]







ANSWERS~

	1.	(1) Determine where the file is located (local or
		Internet); (2) If file is on the Internet, use the
		URL's Domain name to find the IP (numeric) address
		using a Domain Name Server (DNS); (3) Send the IP
		request to set up a connection on the server's Web
		port; (4) Ask the server for the file you want; 
		5) Receive the requested file.

	2.	The browser identifies HTML tags and interprets them,
		putting in the different sizes and styles of fonts,
		creates tables, and does all other formatting. The
		browser lines up the text according to the width of
		the browser's window. 

	3.	GIF, JPEG, PNG

	4.	They call the appropriate plug-in or helper
		application.

	5.	Plug-ins are programs that a Web browser calls upon
		for help in doing specialized tasks.