Computers Are Your Future Eleventh EditionChapter 6: The Internet in addition to the World

Computers Are Your Future Eleventh EditionChapter 6: The Internet in addition to the World www.phwiki.com

Computers Are Your Future Eleventh EditionChapter 6: The Internet in addition to the World

Chestnut, Scot, Late Night Host has reference to this Academic Journal, PHwiki organized this Journal Computers Are Your Future Eleventh EditionChapter 6: The Internet in addition to the World Wide WebCopyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall12All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any as long as m or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Printed in the United States of America.Copyright © 2011 Pearson Education, Inc. Publishing as Prentice HallObjectives Explain how the Internet works.Describe methods as long as accessing the Internet.Define in addition to differentiate between the Internet in addition to the World Wide Web.Explain the concept of hypertext.3Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall

Wolaita Sodo University ET www.phwiki.com

This Particular University is Related to this Particular Journal

Objectives Contrast Web browsers in addition to Web servers.Explain the parts of a URL in addition to how to access Web pages.Contrast Web subject guides in addition to search engines4Copyright © 2011 Pearson Education, Inc. Publishing as Prentice HallObjectives Explain how search operators can improve Web search results.Evaluate the reliability of in as long as mation on a Web page.List the most popular Internet services in addition to explain what they do.Identify in addition to describe the three types of e-commerce.5Copyright © 2011 Pearson Education, Inc. Publishing as Prentice HallObjectives Spot the indicators of a secure Web site.Recognize the hazards of using the Web.Become familiar with safe surfing procedures.6Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall

How the Internet WorksThe Internet is a universal system of computers in addition to networks.Cyberspace, a term used to refer to the Internet, is the unlimited span of networks using the same data exchange methods.Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall7How the Internet WorksVolunteers maintain the Internet networks.Private in addition to public groups provide the equipment.Network service providers such as AT&T in addition to Sprint maintain the Internet backbone, the main high-speed routes.Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall8How the Internet WorksCopyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall9Interoperability is the ability to work with different br in addition to s in addition to models of computers. Transmission Control Protocol/Internet Protocol (TCP/IP) provides methods as long as packaging in addition to transmitting in as long as mation.

Accessing the Internet: Going OnlineInternet service providers (ISPs)Supply in addition to sustain user connections to the Internet.Maintain the hardware in addition to software required as long as those connections.Protect their sites in addition to networks from outside threats.Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall10Accessing the Internet: Going OnlineMethods to access the InternetDial-up access connects users to the Internet through a modem in addition to a telephone line.Digital subscriber line (DSL) is a high-speed online connection that requires a special external modem with telephone lines.Cable access provides a high-speed Internet connection using a cable modem, not a phone line.Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall11Accessing the Internet: Going OnlineMethods to access the InternetSatellite access requires a satellite dish in addition to a phone line in addition to modem as long as an Internet connection.Satellite as long as high-speed downloadingPhone line in addition to modem as long as uploadingFiber-optic service (FiOS) provides extremely fast Internet access through fiber-optic lines that run directly to users’ homes. No modems are required.Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall12

The Internet in addition to the Web: What’s the DifferenceThe World Wide Web, also known as the Web or WWW:Contains billions of documentsIs a portion of the InternetUses the Internet as a means to transport in as long as mationIs a separate entity from the InternetCopyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall13The Internet in addition to the Web: What’s the DifferenceThe Web contains the in as long as mation. The Internet transports in as long as mation to in addition to from users.Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall14The Internet in addition to the Web: What’s the DifferenceCopyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall15A Web page is a document that may include text, graphics, sound, animation, in addition to video.A Web site is a collection of Web pages.A Web browser is a program that displays Web pages in addition to linked items.

The Internet in addition to the Web: What’s the DifferenceCopyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall16Hyperlinks or links are words in addition to images that bring other documents into view when clicked.Hypertext uses links to move to additional related in as long as mation.Hypertext Markup Language (HTML) uses tags to specify how a Web page should display.The Internet in addition to the Web: What’s the DifferenceA Web browser is a program that displays a Web document in addition to permits access to linked documents.Plug-ins are software programs that browsers use as long as extra features such as sound in addition to video.Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall17The Internet in addition to the Web: What’s the DifferenceThe most popular Web browsersMozilla FirefoxGoogle ChromeInternet ExplorerOperaSafariCopyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall18

The Internet in addition to the Web: What’s the DifferenceWeb sites in addition to their associated in as long as mation are stored on computers called Web servers.Web servers are used to recognize in as long as mation requests, process the requests, in addition to send the requested documents.Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall19The Internet in addition to the Web: What’s the DifferenceEvery device connected to the Internet, including PCs in addition to servers, is given a unique network identifier called an Internet Protocol (IP) address.The identification of an Internet resource’s type in addition to location is per as long as med through its Uni as long as m Resource Locator (URL).Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall20The Internet in addition to the Web: What’s the DifferenceThe complete URL is made up of the Hypertext Transfer Protocol (HTTP), domain name, path, in addition to resource name.Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall21

The Internet in addition to the Web: What’s the DifferenceWays to access a Web pageType a URL into the address bar.Click a tab in the browser window.Click a hyperlink.The history list compiles a list of the Web pages that the user has visited.Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall22The Internet in addition to the Web: What’s the DifferenceCopyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall23The Internet in addition to the Web: What’s the DifferenceCopyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall24Downloading is the process of transferring a file or document from one computer to the user’s computer.Uploading is the process of transferring a file or document from the user’s computer to another computer.

Chestnut, Scot WKSJ-FM Late Night Host www.phwiki.com

Finding In as long as mation on the WebCopyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall25A subject guide, where Web pages are grouped under specific headings, is offered by some search sites.Finding In as long as mation on the WebSearch engines index databases of Web pages to enable fast in as long as mation searches. Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall26Finding In as long as mation on the WebSpecialized search engines index in as long as mation such as job advertisements, in addition to names in addition to addresses.Some Web site home pages include portals, which provide organized subject guide links to topics such as the news, local weather, in addition to e-mail. Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall27

Finding In as long as mation on the WebExample of a portalCopyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall28Finding In as long as mation on the WebSearch operators are used to per as long as m complex searches.Inclusion operators, generally a plus sign (+), are used so that only Web pages including those criteria are retrieved. Exclusion operators, generally a minus sign (-), are used so that only Web pages excluding those criteria are retrieved. Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall29Finding In as long as mation on the WebWildcard symbols, such as in addition to , replace the zero or additional characters in search words to improve search accuracy.In phrase searching, the user places quotation marks around a phrase to create a complete unit as long as search purposes. As a result, search engines retrieve only those sites that contain the exact phrase.Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall30

SummarySearch engines permit users to search the databases of the Web.Web subject guides provide limited search results based on indexes.The use of search operators in addition to /or Boolean operators improves the efficiency of a search.55Copyright © 2011 Pearson Education, Inc. Publishing as Prentice HallSummaryIn as long as mation found on the Web should be critically evaluated as long as being reputable in addition to accurate.Some of the most widely used Internet services are IM, IRC, FTP, Usenet, in addition to electronic mailing lists.56Copyright © 2011 Pearson Education, Inc. Publishing as Prentice HallSummaryE-commerce includes B2B, C2C, in addition to B2C.Follow safe surfing guidelines: avoid malware, use secured sites, in addition to protect children.57Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall

Chestnut, Scot Late Night Host

Chestnut, Scot is from United States and they belong to WKSJ-FM and they are from  Mobile, United States got related to this Particular Journal. and Chestnut, Scot deal with the subjects like Country Music; Entertainment

Journal Ratings by Wolaita Sodo University

This Particular Journal got reviewed and rated by Wolaita Sodo University and short form of this particular Institution is ET and gave this Journal an Excellent Rating.