2Web BrowserBasics: InternetExplorer andFirefox

O B J E C T I V E SIn this chapter you will learn:

■ To understand the Microsoft Internet Explorer 7 (IE7)and Mozilla Firefox 2 (FF2) web browsers’ capabilities.

■ To use IE7 and FF2 to search the information available onthe World Wide Web.

■ To customize a browser according to your own needsand preferences.

■ To understand the differences among various browsers.

Give us the tools, and we willfinish the job.—Sir Winston Churchill

We must learn to explore allthe options and possibilitiesthat confront us in acomplex and rapidlychanging world.—J. William Fulbright

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2 Chapter 2 Web Browser Basics: Internet Explorer and Firefox

Self-Review Exercises2.1 Fill in the blanks in each of the following statements:

a) The two most popular web browsers are and .ANS: Internet Explorer, Firefox.b) A browser is used to view files on the .ANS: Internet and the web.c) The location of a file on the Internet is called its .ANS: URL.d) The element in a web page that, when clicked, causes a new web page to load is called

a(n) ; when your mouse passes over this element, the mouse pointer changesinto a(n) in IE7 and FF2.

ANS: hyperlink, hand.e) IE7 and FF2 keep of a list of visited URLs called the .ANS: history.f) You can save an image from a web page by right clicking the image and selecting

in IE7 or in FF2.ANS: Save Picture As…., Save Image As….g) The feature of IE7 and FF2 that provides options for completing URLs is called

.ANS: AutoComplete.h) The feature that enables the user to save URLs of frequently visited sites is called

in IE7 or in FF2.ANS: Favorites, Bookmarks.

2.2 State whether each of the following is true or false. If the statement is false, explain why.a) Fiber optics cables have a better signal than traditional metal cables, but an inferior

bandwidth.ANS: False. Fiber optic cables have a greater bandwidth than metal ones.b) It is not possible to view web pages when not connected to the Internet.ANS: False. Web pages saved to the hard drive can be viewed using off-line browsing.c) Search engines can be used to help resolve programming errors.ANS: True.d) The cache is an area on the hard drive that is used for saving web pages for rapid future

access.ANS: True.e) FTP is a popular Internet mechanism by which files are uploaded and downloaded.ANS: True.f) You can access any FTP site by logging in with the user name anonymous.ANS: False. Many FTP sites are restricted and do not admit the general public.

Exercises2.3 Spell out the following acronyms, and include a brief description of each:

a) HTTPANS: Hypertext Transfer Protocol. A protocol for transferring information over the Inter-

net.b) FTPANS: File Transfer Protocol. A set of rules by which computers transfer data, especially

large files, over the Internet.

© 2008 Pearson Education, Inc., Upper Saddle River, NJ. All Rights Reserved.

Exercises 3

c) URLANS: Uniform Resource Locator. The address of the web page displayed in the browser

window.d) DSLANS: Digital Subscriber Line. A type of high-speed, broadband Internet connection.e) PDFANS: Portable Document Format. A type of document that can be viewed with the Acro-

bat Reader plug-in.f) ISPANS: Internet Service Provider. Connects computers to the Internet via a modem or broad-

band connection.

2.4 Use your browser’s FTP capability to access ftp.cdrom.com and ftp.deitel.com. Observewhat happens in both cases, and, if the site can be accessed, list the directory output.

ANS: ftp.cdrom.com has two directories: locked and pub. ftp.deitel.com does not allowanonymous users, so the server cannot be accessed.

2.5 Go to www.ieaddons.com and browse the various extensions and plug-ins that can be in-stalled into Internet Explorer. Choose one to install, and observe what capabilities are added as youbrowse the Internet.

ANS: Results will vary.

2.6 Go to addons.mozilla.org and browse the various extensions and plug-ins that can be in-stalled into Firefox. Choose one to install, and observe what capabilities are added as you browse theInternet.

ANS: Results will vary.

2.7 Download and install the Opera (www.opera.com) and Safari (www.apple.com/safari) webbrowsers. Go to your favorite websites and try to observe any differences in speed, appearance andfunctionality.

ANS: Results will vary.

© 2008 Pearson Education, Inc., Upper Saddle River, NJ. All Rights Reserved.