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3 Section 3.1 Describe Internet hardware and software Explain Internet protocols Compare intranets, extranets, and the Internet Section 3.2 Identify URL.

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Presentation on theme: "3 Section 3.1 Describe Internet hardware and software Explain Internet protocols Compare intranets, extranets, and the Internet Section 3.2 Identify URL."— Presentation transcript:

1 3 Section 3.1 Describe Internet hardware and software Explain Internet protocols Compare intranets, extranets, and the Internet Section 3.2 Identify URL components Compare Web browsers Use search engines Online Basics YOU WILL LEARN TO…

2 3 Online Basics Section 3.3 Describe Web development applications and hardware Describe connectivity components Insert external hyperlinks Section 3.4 Explain how to download files responsibly Summarize copyright and fair use laws Cite digital sources Evaluate online information YOU WILL LEARN TO…

3 Section 3.1 The Internet Focus on Reading Main Ideas Protocols allow computers to communicate. People often use the Internet to communicate with other users. Intranets and extranets are networks that are protected from unauthorized access. Key Terms Internet service provider (ISP) protocol Transmission Control Protocol/Internet Protocol (TCP/IP) Hypertext Transfer Protocol (HTTP) intranet extranet pp. 66-70

4 Section In 1969, the U.S. government developed a network of computers called ARPANET, which became the Internet. The first graphical-user interface (GUI) browser was created in 1990. It allowed users to view graphic, audio, and video files located on the Internet. Origins of the Internet 3.1 The Internet pp. 66-70

5 Section 3.1 The Internet How the Internet Works Internet hardware and software allow you to access files from other computers and servers Internet service provider You must be connected to a communication line, such as a telephone line or cable connection, to access an Internet service provider. Internet service provider (ISP) A business that provides a network to customers that they use to access the Internet. (p. 67) pp. 66-70

6 Section 3.1 The Internet How the Internet Works protocols There are several Internet protocols: Transmission Control Protocol/Internet Protocol (TCP/IP) Hypertext Transfer Protocol (HTTP) File Transfer Protocol (FTP) Telnet Gopher WAIS protocol A set of rules and procedures that specify how data are formatted and transmitted between computer systems. (p. 68) Transmission Control Protocol/Internet Protocol (TCP/IP) Basic Internet protocol that contains the specific information that allows computers to identify each other and exchange data. (p. 68) Hypertext Transfer Protocol (HTTP) Used to transfer files from a Web server to a Web browser. (p. 68) pp. 66-70

7 Section Types of Internet Communication E-mail Listserv FTP Site Newsgroups or Forums Chat Rooms Internet Relay Chat (IRC) Instant Messaging (IM) Online Gaming Internet Resources 3.1 The Internet pp. 66-70

8 Section 3.1 The Internet Intranets and Extranets intranets xtranets There is no technical difference between the Internet, intranets, and extranets. The differences lie in the ways these networks are used, who owns them, and who is allowed to access them. intranet A LAN or WAN that is designed to make it easy to share information within an organization, such as a business or a school. (p. 70) extranet A type of network that can be accessed by outside or remote users who are authorized to use the network. (p. 70) pp. 66-70

9 Section 3.1 The Internet pp. 66-70 True/False You must be connected to a communication line, such as a telephone line or cable connection, to access an Internet Service Provider. True. In order to access an ISP, you must be connected to a communication line, such as a telephone line or cable connection. Section Assessment

10 Section 3.2 The Web Focus on Reading Main Ideas A URL is an address that identifies a specific Web page. Web browsers have varying capabilities. Search engines help locate sites containing specific information. Users should carefully evaluate all information found online. Key Terms uniform resource locator (URL) domain name domain name extension accessibility option search engine keyword Boolean search pp. 71-77

11 Section 3.2 The Web Uniform Resource Locators (URLs) URLs HTTP requires that Web page URLs be in a standard format that browsers know how to interpret. Most URLs consist of four main parts uniform resource locator (URL) A unique address that enables a browser to locate specific page files on the Web. (p. 71) pp. 71-77 http://www.mcgraw-hill.com/about/history.html Protocol Address Directory Path Retrieved File

12 Section 3.2 The Web Uniform Resource Locators domain name domain name extension The address of the Web page includes the domain name. The domain name includes a domain name extension. domain name Part of a URL that identifies the entity (such as a university, individual, or business) that sponsors the Web site. (p. 72) domain name extension Part of the URL that tells users what type of organization uses the address. (p. 72) pp. 71-77 http://www.mcgraw-hill.com/about/history.html Domain name extension

13 Section 3.2 The Web Using a Web Browser Web browsers are used to request, retrieve, and view Web pages. Different Web browsers interpret and display HTML differently. accessibility options Many browsers include accessibility options for differently abled individuals. For example, most browsers let users increase the size of text on the screen. accessibility option A feature that allows differently abled individuals to access and use Web pages. (p. 73) pp. 71-77

14 Section 3.2 The Web Locating Information Online search engines Search tools like search engines and Web directories can help you locate what you are looking for on the Internet. A Web directory is a search tool that catalogs Web sites (not pages) by topic or category. search engine An application that locates information about Web pages and then stores this information in searchable databases that you can access from your browser. (p. 75) pp. 71-77

15 Section 3.2 The Web Locating Information Online KeywordBoolean searches To use a search engine, you make a search query. Keyword and Boolean searches are two types of queries. keyword An important word related to the specific topic you are trying to locate. (p. 76) Boolean search A type of search that combines keywords in specific ways to locate specific pages. (p. 76) pp. 71-77

16 Section Activity 3A – Preview a Web Page (p. 74) Activity 3B – Perform a Boolean Search (p. 76) 3.2 The Web pp. 71-77

17 Section 3.2 The Web Summarize What is a URL? A. An address that identifies a specific Web page. B. A type of browser C. A type of protocol D. A type of network that can be accessed by remote users. A. An address that identifies a specific Web page. pp. 71-77 Section Assessment

18 Section 3.3 Web Site Development Tools Focus on Reading Main Ideas The hardware and software needed to develop a Web site depends on the site’s size and complexity. You must have access to a Web server to publish a site. External links let users move between sites. Key Terms text editor Web site development application WYSIWYG Web hosting service external hyperlink pp. 78-82

19 Section 3.3 Web Site Development Tools Software Needs The software tools used to create Web sites can be divided into two categories: Text editors Text editors Web site development applications WYSIWYG Dreamweaver is a Web site development application that uses a WYSIWYG interface. text editor An application used to enter and edit the HTML code in a Web page. (p. 78) Web site development application Sophisticated application package that some Web developers use to create Web sites. (p. 78) WYSIWYG Applications that allow you to create Web pages so that what you see on the screen is very similar to the appearance of the final page; stands for “what you see is what you get.” (p. 78) pp. 78-82

20 Section The Web designer’s toolbox should include applications for creating and modifying graphics, video, and audio. Web Page Component Applications 3.3 Web Site Development Tools pp. 78-82

21 Section Most Web developers use these input and output devices: High-resolution monitors Color printers Scanners Digital cameras Camcorders Microphones Speakers Hardware and Connectivity Needs 3.3 Web Site Development Tools pp. 78-82

22 Section 3.3 Web Site Development Tools Hardware and Connectivity Needs When you publish a Web site, you must copy the site’s files from your local hard drive or network to a Web server. Web hosting service Many people use a Web hosting service to gain access to a Web server. Web hosting service Service that sells Web server space, usually for a monthly fee. (p. 80) pp. 78-82

23 Section 3.3 Web Site Development Tools Linking to Online Resources Hyperlinks make it easy to access the Web’s varied resources. External hyperlinks External hyperlinks are used to connect a Web page to a page on a different Web site. external hyperlink A hyperlink that takes a user to a page on a different Web site. (p. 81) pp. 78-82

24 Section Activity 3C – Insert External Hyperlinks (p. 81) 3.3 Web Site Development Tools pp. 78-82

25 Section 3.3 Web Site Development Tools True/False A Web site development application is an application used to enter and edit HTML code in a Web page. False. A text editor is an application used to enter and edit the HTML code in a Web page. pp. 78-82 Section Assessment

26 Section 3.4 Social, Ethical, and Legal Issues Focus on Reading Main Ideas Ethical, social, and legal guidelines govern the use of online resources. Users must respect copyright law and trademark rules when using digital resources and cite their sources whenever possible. Key Terms Acceptable Use Policy (AUP) Internet Use Agreement Netiquette commercial software shareware freeware copyright trademark pp. 84-88

27 Section The Internet offers many benefits to society, but it has also created many new legal and ethical issues. The Internet and Society 3.4 Social, Ethical, and Legal Issues pp. 84-88

28 Section 3.4 Social, Ethical, and Legal Issues The Internet and Society There are formal and informal rules that online users must follow: Acceptable Use Policy (AUP) Acceptable Use Policy (AUP) Internet Use Agreement Internet Use Agreement Netiquette Privacy protection Acceptable Use Policy (AUP) Used by organizations such as schools and businesses to regulate online use; also called Internet Use Agreement. (p. 84) Netiquette General guidelines that have developed over the years to guide Internet interactions. (p. 85) pp. 84-88

29 Section 3.4 Social, Ethical, and Legal Issues Protected Information and the Web Laws govern what you can legally download from Web sites and how you can use these files. commercial software sharewarefreeware Most software can be categorized as commercial software, shareware, or freeware. commercial software Software that is developed and distributed with the intention of making a profit. (p. 85) shareware Copyrighted software that an author allows to be freely distributed. (p. 85) freeware Software that can be freely copied and used for any legal purpose. (p. 85) pp. 84-88

30 Section 3.4 Social, Ethical, and Legal Issues Protected Information and the Web copyright Copyrights exist to protect creators of original work. A copyright may be attached to creative works on the Web. A copyright notice typically includes the copyright symbol © followed by the year and the copyright holder’s name. copyright A law that asserts that only the copyright’s owner has the right to sell his or her work or to allow someone else to sell it. (p. 86) pp. 84-88

31 Section 3.4 Social, Ethical, and Legal Issues Protected Information and the Web A trademark is another important type of intellectual property. A registered trademark is represented by one of these trademark symbols: ® ™ trademark A name, symbol, or other feature that identifies a product with a specific owner. (p. 86) pp. 84-88

32 Section When you use information from a Web site, you must cite this information. Author’s name (last name first) Title of the article or Web page (in quotes) Complete title of the Web site (underlined) Date of Internet publication or copyright date Name of the organization Date you visited the site Site’s URL (in angle brackets) Montoya, Chris. “Citing Sources.” Fairlawn Library Information. May 10, 2007. Fairlawn University. July 8, 2007. Protected Information and the Web 3.4 Social, Ethical, and Legal Issues pp. 84-88

33 Section Activity 3D – Add a Copyright Notice (p. 86) 3.4 Social, Ethical, and Legal Issues pp. 84-88

34 Section 3.4 Social, Ethical, and Legal Issues Identify A(n) ________ is a name, symbol, or other feature that identifies a product with a specific owner. A. copyright B. trademark C. citation D. Internet Use Agreement B. trademark pp. 84-88 Section Assessment

35 3 Chapter Review Name In the URL http://www.firstgov.gov/ the part of the address “.gov” is referred to as the ______________. http://www.firstgov.gov/ A. domain name extension B. address C. directory path D. domain name A. domain name extension Online Basics

36 3 Chapter Review Evaluate What advantages does a WYSIWYG Web development application have over a text editor? In a WYSIWYG application, you can see what the page will look like as you work on it. With a text editor, you have to key in all of the HTML coding before you can check how it will look. Online Basics

37 3 Chapter Resources For more resources on this chapter, go to the Introduction to Web Design Using Dreamweaver Web site at WebDesignDW.glencoe.com. WebDesignDW.glencoe.com


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