Fourth Edition Discovering the Internet Discovering the Internet: Brief Concepts and Techniques,...

Fourth Edition

Discovering the Internet

Discovering the Internet: Brief Concepts and Techniques, Second Edition

• Chapter 2Browsing the Web

Objectives

• Describe a Web site, common Web page characteristics, and Web servers

• Explain the role IP addresses, domain names, and URLs play in locating Web pages

• Start a Web browser and view Web pages• Visit Web pages using browser shortcuts

Chapter 2: Browsing the Web 2

Objectives

• Save online information for later use• Change Web browser options• Discuss the risks and safeguards related to using

the Web


Web Sites, Web Pages, and Web Servers

• Web Sites– Number of pages varies depending on site’s purpose

and type of content and services it provides– FAQ page lists frequently asked questions and their

answers– A Web portal, or simply a portal, is a special type of

Web site that offers a doorway to a vast range of content and services


Web Sites



• Web Pages– Designed to attract visitors and hold their attention– Common characteristics

• Logo and/or name• Images• Links• Advertisements• Search tool• Connectivity links or icons• Copyright statement• Link to a privacy and security policy statement


Web Pages



• Web Servers– Web browser is a client that requests resources from a

Web server– Server “serves up” resources upon request

• Web browsing is example of client/server computing



• Web Servers– Single Web server can host multiple Web sites– Large Web sites may span multiple Web servers


IP Addresses, Domain Names, and URLs

• IP Address– A number that uniquely identifies each computer or

device connected to the Internet– A series of four numbers separated by a period or dot

• 69.32.133.79• Static IP addresses seldom change• Dynamic IP addresses are temporary





• Domain Name– A text alias for one or more IP addresses

• cengage.com is domain name for 69.32.133.79

– Domain Name System (DNS) uses name servers to resolve domain name to IP address

• Managed by ICANN• TLD (.com, .biz, and so forth)• ccTLD (.us, .uk, and so forth)


Top-Level Domains



• Uniform Resource Locators (URLs)– A unique Web address

• http:// protocol• Domain name• Path• File name


Web Browsers

• Software program used to view Web pages• Most commonly used Web browser is Windows

Internet Explorer, others include– Firefox– Opera– Google Chrome– Safari


Internet Explorer 9


Opening Your Browser and Loading a Web Page

• Click the Start button on the Windows taskbar• Click the Internet Explorer icon on the Start menu,

or click All Programs, and then click the Internet Explorer icon if it is not pinned to the Start menu to open Internet Explorer

• Click the Address box on the Address bar



• Type www.cengage.com as the URL• Press the ENTER key to open the Cengage home

page• Click the Buy, Rent, Access CengageBrain.com link

to open the CengageBrain Web site in your browser




Using a Search Box to Find Information

• Type Discovering the Internet in the Find your Textbook or Materials text box

• Press the ENTER key to search for the Book Companion Site Web page for this text

• Click the link for this text to open a new page• Click the Access Now button to open the Book

Companion Site Web page


Using a Search Box to Find Information


Viewing a Web Page by Clicking a Link

• Click the Select a chapter list arrow, and then click 2. Browsing the Web to open the resources for Chapter 2

• Click the Steps text link to view the links for the text• Right-click the The Weather Channel link, and then click

‘Open in new window’ to open www.weather.com in a new browser window. Maximize the window if necessary

• Drag the scroll box on the vertical scroll bar down to view the content at the bottom of the Web page, and then drag the scroll box on the vertical scroll bar up to view the top of the Web page


Viewing a Web Page by Clicking a Link


Web Browsers

• Navigating Recently Viewed Web Pages– Use the Back, Forward, Stop, Refresh, and Home

Buttons• Back and Forward buttons – revisit recently viewed pages• Stop and Refresh buttons – stops opening a page or opens

an updated copy of the current page• Home – refreshes the home page(s)


Navigating Through Recently Viewed Pages

• Verify that Internet Explorer is open with The Weather Channel home page open

• Click any link on The Weather Channel home page to open a new Web page in the same browser window and tab

• Click the Back button to return to The Weather Channel home page

• Click the Forward button to return to the Web page you were viewing before you clicked the Back button



• Click the Refresh button to open a fresh copy of the Web page to view any updated temperature or other new information on the Web page

• Click the Home button to open the browser’s default home page

• Click the browser Close button to close Internet Explorer; close all tabs, if asked

• If necessary, close any other open Internet Explorer windows




Web Browsers

• Using Tabbed Browsing– Allows you to open multiple Web pages in a single

browser window


Web Browsers

• Using Tabbed Browsing– Each page can be opened in its own tab on the tab row– Clicking a tab brings the Web page and tab from the

tab row background to the foreground– Click the New Tab button to open a blank tab then

enter URL in the Address box to open a Web page in the new tab


Web Browsers

• Using Tabbed Browsing– Press ALT+ENTER keys after you type a URL to open

the Web page in a new tab– Press the CTRL key as you click a link to open the

linked page in a new tab– To open the linked page in the background, press

CTRL+SHIFT as you click the link– To close a tab, click the Close Tab button


Opening and Closing Multiple Web Page Tabs

• Click the Internet Explorer Browser icon on the Start menu to open Internet Explorer

• Click the New Tab button on the tab row to open a New Tab page

• Type espn.com in the Address box• Press the ENTER key to open the ESPN home page in the

new tab• Type nfl.com in the Address box.• Press ALT+ENTER to open the NFL.com home page in a

new tab in the tab row foregroundChapter 2: Browsing the Web 31


• Press CTRL and click the News link to open the NFL News page in a new tab in the tab row background

• Click the NFL News tab to display the tab in the foreground

• Click the Close Tab button on the NFL News Web page tab to close the Web page

• Click the New Tab button on the tab row to open a New Tab page

• Click the ‘Reopen closed tabs’ link on the New Tab page, if necessary, to see a list of closed tabs



• Click the NFL News link to reopen the Web page in a new tab

• Close Internet Explorer and close all tabs, if asked• Click the Internet Explorer Browser icon on the Start

menu to start Internet Explorer• Click the New Tab button on the tab row to open a

New Tab page• Click the ‘Reopen last session’ link to reopen the tabs

that were open when you closed Internet ExplorerChapter 2: Browsing the Web 33



Viewing Open Web Pages Using the New Tab Page• Click the New Tab button to open the New Tab page• Click the NFL News button to open the NFL News Web

page• Close Internet Explorer and all tabs


Using Browser Shortcuts to Visit Web Pages

• The Internet Explorer browser provides several shortcuts for accessing Web page content and revisiting Web pages, such as:– Favorites– History– Accelerators– RSS feeds and Web Slices– Address bar dropdown list– Suggested Sites


Creating a Favorite Subfolder and Adding a Favorite• Start Internet Explorer and open the Student Online

Companion Web page at www.cengagebrain.com by following the same set of steps as you did earlier in the chapter

• Click the Select a chapter list arrow, and then click 2. Browsing the Web to open the resources for Chapter 2

• Click the Steps link in the left navigation bar to open the Steps Web page.

• Click Dell to open the Dell home page in the current tab• Click the Favorites button to open the Favorites Center pane


Creating a Favorite Subfolder and Adding a Favorite

• Click the Favorites tab, if necessary, to view your list of favorites and subfolders

• Click the ‘Add to favorites’ button to display the Add a Favorite dialog box

• Type Dell in the Name text box• Click the New folder button to display the Create a

Folder dialog box• Type Technology Sites


Creating a Favorite Subfolder and Adding a Favorite• Click the Create button to create the new Technology

Sites subfolder inside the Favorites folder• Click the Add button in the Add a Favorite dialog box to

add the Dell favorite to the new Technology Sites folder• Click the New Tab button to display the New Tab page• Click the Favorites button to open the Favorites Center• Click the Technology Sites folder to view its contents• Click the Dell favorite link to open the Dell home page in

the current tab


Creating a Favorite Subfolder and Adding a Favorite


Deleting a Favorites Subfolder and Its Contents• Click the Favorites button to open the Favorites

Center• Click the Favorites tab, if necessary, to display your

list of favorites and subfolders• Right-click the Technology Sites subfolder to display

the shortcut menu• Click Delete to display the Delete Folder confirmation

dialog box• Click the Yes button to confirm the deletion• Close Internet Explorer


Deleting a Favorites Subfolder and Its Contents


Revisiting a Web Page Using the History List

• Start Internet Explorer• Click the Favorites button to open the Favorites

Center• Click the History tab to view the History list• Click the Today icon, if necessary, to expand the

list of Web pages visited today



• Click the nfl (www.nfl.com) folder link in the History list to view links to individual pages visited at the NFL Web site

• Click the NFL News link to close the Favorites Center and open the NFL News Web page in the current tab

• Close Internet Explorer




Web Slices

• Allows you to quickly preview frequently updated Web page content, such as weather reports or sports scores


Accelerators

• Add-ons to Internet Explorer that allow you to access Web content or take some action based on selected Web page text


Subscribing to an RSS Feed

• Navigate to the page containing an RSS feed• Click the Feeds button arrow to view the available feeds on the

selected Web site• Click the feed of your choice• Scroll the Web page to view the stories available through the feed• Click the ‘Subscribe to this feed’ link to display the Subscribe to this

Feed dialog box• Click the Subscribe button to display the confirmation Web page• Click the Close Tab button to close the confirmation Web page


Subscribing to an RSS Feed


Viewing and Deleting an RSS Feed

• Open the Favorites Center• Click the Feeds tab to view the list of RSS feeds to which

you have subscribed• Open the Favorites Center• Click the Feeds tab, if necessary, to view the Feeds list• Right-click the desired feed to delete• Click the Delete button to display the confirmation dialog

box• Click the Yes button to confirm the deletion• Close Internet Explorer


Viewing and Deleting an RSS Feed


Address Bar Drop-Down List

• The AutoComplete feature looks at the first few characters you type in the Address box and then suggests Web sites and search keywords based on the stored URLs

• The Address bar dropdown list organizes suggestions by:– AutoComplete suggestions– History– Favorites


Address Bar Drop-Down List


Suggested Sites

• The Suggested Sites feature allows Internet Explorer to use your Web browsing habits to present suggestions for additional browsing


Pinning a Web Site to the Taskbar

• Open Internet Explorer and navigate to www.msn.com if it is not your home page

• Click the favicon• Drag the favicon to the taskbar to pin it• Close the browser• Click the icon on the taskbar to open the Web site• Right-click the icon on the taskbar to open a shortcut

menu• Click ‘Unpin this program from taskbar’ to remove the

taskbar iconChapter 2: Browsing the Web 55

Pinning a Web Site to the Taskbar


Saving Online Information

• Printing a Web Page– Preview the page to see how it will look before

printing it– Print selected information– Print the entire page



• Saving a Web Page– Webpage, complete (HTML page and all related files)– Web Archive, single file (snapshot of page)– Webpage, HTML only (no related files are saved)– Text file (page text is saved in plain text format)


Saving a Web Page

• Start Internet Explorer• Click the Page button on the Command bar to

view the Page button menu• Click Save as to open the Save Webpage dialog

box• Navigate to the folder specified by your instructor• Click the ‘Save as type’ box arrow to view the

available file types


Saving a Web Page

• Click Web Archive, single file (*.mht), if necessary, to select the desired file type

• Click the Save button• Close Internet Explorer


Saving a Web Page



• E-mailing a Web Page– Send a page or a link to a page using commands on the

Page button on the Command bar• Saving a Web Page Image

– Use a shortcut menu– Most Web page images are the property of their

owners and are protected by U.S. copyright law.


Changing Browser Options

• Showing and Hiding the Menu Bar and Toolbars– Turn on or off toolbars using the Tools button on the

Command bar– Press ALT key to toggle on/off the menu bar


Showing and Hiding the Menu Bar and the Favorites Bar

• Start Internet Explorer• Press ALT to display the menu bar below the

Address bar• Press ALT to hide the menu bar• Click the Tools button on the Command bar• Point to Toolbars to display the Toolbars submenu



• Click Favorites bar on the Toolbars submenu to display the Favorites bar below the Address bar

• Right-click a blank area at the end of the Favorites bar to display the Toolbars shortcut menu

• Click Favorites bar on the shortcut menu to hide the Favorites bar






• Customizing the Command Bar– Use the Tools button on the Command bar – Add or remove buttons or modify text labels


Adding a Browser Home Page

• Start Internet Explorer• Type weather.com in the Address bar and press the

ENTER key• Click the Home button arrow on the Command bar to

display the Home button menu• Click ‘Add or change home page’ to display the Add or

Change Home Page dialog box• Click the “Add this webpage to your home page tabs”

option button to add the current Web page as a home page tab



• Click the Yes button to add the Web page to your home page tabs

• Close Internet Explorer• Start Internet Explorer to view two home page

tabs• Click the Home button arrow on the Command

bar to view the menu• Point to the Remove command to view the

submenuChapter 2: Browsing the Web 69


• Click National and Local Weather Forecast… to open the Delete Home Page dialog box

• Click the Yes button in the Delete Home Page dialog box to confirm the removal of the second home page

• Close Internet Explorer• Start Internet Explorer to confirm that The Weather

Channel’s home page is no longer part of the home page tabs






• Viewing a Web Page in Compatibility View– Click the Tools button on the Command bar and click

Compatibility View to turn on the feature• Zooming a Web Page

– Change the "zoom" percentage using the ‘Change zoom level’ button arrow on the status bar



• Setting Other Browser Options– Use the Internet Options dialog box to set browser

options• Number of days browsing history is maintained• Temporary Internet files• Overall appearance


Using the Web: Risks and Safeguards

• Protecting Your Computer from Hackers– A hacker is an individual who uses his or her computer

skills to access a network and the computers on that network without authorization

– A firewall is hardware and/or software that blocks outside intruders

• Home computers: install a personal firewall to protect against hackers

– Windows Firewall– ZoneAlarm– PCTools





• Protecting Your Computer from Viruses– A computer virus is a small, potentially damaging

computer program that can infect a computer and then spread to other computers through:

• Sending/receiving e-mail• Downloading files• Exchanging word processing or spreadsheet files

– Install virus protection software to protect against infection



• Shopping Safely Online– Use reputable online vendors– Pay with a credit card over a secure (SSL) connection– Use a third-party payment service if participating in

consumer-to-consumer transactions



• Filtering Web Content– Web is a largely unregulated environment

• Tracking Protection Lists (TPLs)• Use Web content filters (Internet filters)



• Protecting Against Malicious Web Sites– A malicious Web site is a phony site designed to look

like a legitimate site– Used by thieves to collect personal information

• Name• Password

– Internet Explorer has built-in SmartScreen Filter that evaluates sites



• Keeping Your Personal Information Private– Entities that might be collecting and using your private

information• Employers• Internet Service Providers• Government agencies• Privacy advocates• E-Business Web sites• Cookies• Spyware and adware



• Keeping Your Personal Information Private– Privacy advocates are dedicated to informing

government agencies and consumers about privacy issues and maintaining information about privacy issues at their Web sites

– InPrivate Browsing allows you to browse the Web privately without storing information about the Web sites you visit

– InPrivate Filtering protects against parties collecting information about your browsing habits


Chapter Summary

• Describe a Web site, common Web page characteristics, and Web servers

• Explain the role IP addresses, domain names, and URLs play in locating Web pages

• Start a Web browser and view Web pages• Visit Web pages using browser shortcuts


Chapter Summary

• Save online information for later use• Change Web browser options• Discuss the risks and safeguards related to using

the Web


Fourth Edition

Discovering the Internet

Chapter 2Complete

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Fourth Edition Discovering the Internet Discovering the Internet: Brief Concepts and Techniques,...

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