The Internet, The Web, and Electronic Commerce (Computing Essentials 2025) PDF

Because learning changes everything. ® The Internet, the Web, and Electronic Commerce Chapter 2 Computing Essentials 2025 O’Leary © McGraw Hill LLC. All rights reserved. No reproduction or distribution without the prior written consent of McGraw Hill LLC.  Learning Obj...

Because learning changes everything. ® The Internet, the Web, and Electronic Commerce Chapter 2 Computing Essentials 2025 O’Leary © McGraw Hill LLC. All rights reserved. No reproduction or distribution without the prior written consent of McGraw Hill LLC.  Learning Objectives 1. Explain the origins of the Internet and the web. 2. Explain how to access the web using providers and browsers. 3. Compare different web utilities, including filters, file transfer utilities, and Internet security suites. 4. Compare different Internet communications, including social networking, blogs, microblogs, podcasts, wikis, text messaging, instant messaging, and e- mail. 5. Describe search tools, including search engines. 6. Describe how to evaluate the accuracy of information presented on the web. 7. Identify electronic commerce, including B2C, C2C, B2B, and security issues. 8. Describe cloud computing, including the three-way interaction of clients, Internet, and service providers. 9. Discuss the Internet of Things (IoT) and the continuing development of the Internet to allow everyday objects to send and receive data. © McGraw Hill 2  Introduction The Internet: Interconnected mesh of computers and data lines. Connecting millions of people and organizations. Foundation of the digital revolution: Allowing people around the world to share words, images and any digital file almost instantaneously. The Web: Provides a multimedia interface to Internet resources. To be effective and efficient: End user awareness of the resources available on the Internet and the Web. © McGraw Hill 3  The Internet and the Web The Internet: Large global network connecting smaller networks all over the globe. The Internet launched in 1969: The United States funded a project to develop a national computer network. ARPANET (Advanced Research Project Agency Network). World Wide Web or WWW was introduced in 1991. The Internet and the web are NOT the same. The Internet is the physical network. The web is a multimedia interface to the resources available on the Internet. © McGraw Hill 4  Web 1 Web 1.0. 1stgeneration Linking existing information focus. Search programs were created. Web 2.0. Dynamic content creation. Facebook is most common in Web 2.0. Web 3.0. Identifies relationships between data. Personalized content creation for users. Web 4.0. Called the mobile web. Similar to Web 3.0 but includes information from mobile devices. © McGraw Hill 5  Web 2 Web 5.0. Still being developed. Researchers agree it will be greatly impacted by Artificial Intelligence (AI). © McGraw Hill 6  Common Internet Uses Communicating. Shopping. Searching. Education or e-learning. Online Entertainment. © McGraw Hill 7  Making IT Work for You – Online Entertainment Online options for TV, movies, music, books, social media, news feeds. Hulu, Amazon Prime, Netflix, Amazon Kindle, CNN, Instagram, Tidal, HBOMax, Apple Podcasts. True Images/Alamy Stock Photo M4OS Photos/Alamy Stock Photo M4OS Photos/Alamy Stock Photo Primakov/Shutterstock © McGraw Hill 8  Internet Access Providers Internet Service Provider (ISP): Common way to access the Internet. Provide a path to access the Internet. Use digital subscriber line (DSL), cable, and/or wireless connections. Most common providers: Verizon, Comcast, Sprint, T-Mobile, AT&T. © McGraw Hill 9  Browsers Provide access to web resources. Allow you to explore the web. Connect to remote computers. Uncomplicated interface to the Internet. File transfer. AntliiShutterstock Display many varieties of multimedia. Popular Web browsers include: Mozilla Firefox. Apple Safari. Microsoft Edge. Google Chrome. © McGraw Hill 10  URL’s Uniform Resource Locator: Location or address of resource. https is the most common for web traffic. Two parts: Protocol. Rules for exchanging data. Domain name. Where resource is located. Access the text alternative for slide images. © McGraw Hill 11  Top-Level Domain (TLD).com Commercial..edu Educational..gov Government..mil US Military..net Network..org Organization. © McGraw Hill 12  HTML and Hyperlinks Hypertext Markup Language: Markup language for displaying web pages. Browsers interpret HTML commands: Display document as a web page. Hyperlinks or links: Connect to other web pages. Text files. Graphic images. Audio and Video Clips. © McGraw Hill 13  Interactive Web Sites Technologies used to provide highly interactive and animated websites. JavaScript. PHP. Cascading Style Sheets (CSS). outline205/123RF Mobile Browsers. Access the text alternative for slide images. © McGraw Hill 14  Web Utilities Specialized utility programs that make using the Internet and web safer and easier. Filters. File Transfer Utilities. Internet Security Suites. © McGraw Hill 15  Filters Block access to selected sites. Set time limits. Monitor total time spent on the Internet and at individual web sites. Net Nanny. Qustodio Parental Control. Circle with Disney. Symantec Norton Family Premier. © McGraw Hill 16  File Transfer Utilities Upload and download files to and from the Internet. Downloading. Uploading. Three popular types of programs: Web-based file transfer services. BitTorrent. File transfer protocol (FTP) / Secure file transfer protocol (SFTP). © McGraw Hill 17  Internet Security Suites Designed to maintain your security and privacy while on the web. Two best known suites: Symantec Norton Internet Security. Bitdefender Internet Bitdefender Security. Access the text alternative for slide images. © McGraw Hill 18  Communication Communication is the most popular Internet activity. Social Networking. Blogs, Microblogs, Podcasts, and Wikis. Messaging. E-mail. © McGraw Hill 19  Social Networking Connecting people and organizations that share a common interest or activity. Common features: Profiles. Pages. Groups. Michael J Berlin/Alamy Stock Photo Friends. News feed. Share settings. Access the text alternative for slide images. © McGraw Hill 20  Blogs Blogs. Microblogs. ZUMA Press, Inc./Alamy Stock Photo Access the text alternative for slide images. © McGraw Hill 21  Webcast, Podcast, and Wikis Podcast: Delivered over the Internet. Typically one audio program in a series of related podcasts. Wiki: Specially designed Web site. Allows visitors to edit the Tada Images/Shutterstock contents. Supports collaborative writing. © McGraw Hill 22  Messaging Text Messaging. MMS. Instant Messaging. © McGraw Hill 23  E-Mail Transmission of electronic messages over the Internet. Four basic elements: Header. Address. Subject. Message. Signature. Attachments. Microsoft Corporation Access the text alternative for slide images. © McGraw Hill 24  E-mail Systems Client-based: Web-based: E-mail client. Webmail client. Must be installed on No installation necessary -- computer. free. Apple’s Mail. Google’s Gmail. Microsoft Outlook. Microsoft’s Outlook. Yahoo!’s Yahoo! Mail. © McGraw Hill 25  SPAM Spam: Unwelcome e-mail. Computer viruses: Destructive programs. CAN-SPAM Act: Antispam laws. Spam Blockers/Filters: Identify and control spam. © McGraw Hill 26  Search Tools Search Services: Operate websites. Search Site Spiders. Service Bing www.bing.com Search Engines: DuckDuckGo www.duckduckgo.com Assist in locating specific Google www.google.com information. Yahoo! www.yahoo.com Content Evaluation: Information on the web is often not reviewed to ensure accuracy. © McGraw Hill 27  Content Evaluation Authority. Accuracy. Objectivity. Currency. © McGraw Hill 28  Electronic Commerce Business-to-consumer (B2C). Consumer-to-consumer (C2C). Business-to-business (B2B). © McGraw Hill 29  Business to Consumer (B2C) Sale of product or service to general public. Fastest growing type of e-commerce. Three most widely used B2C applications: Online banking. Financial trading. Shopping. Amazon.com is one of the most widely used B2C sites. © McGraw Hill 30  Consumer to Consumer (C2C) Consumer-to-consumer e-commerce (C2C). Individual to individual. Web auctions: Buyers and sellers seldom meet. Bids are submitted electronically. Online auction sites. © McGraw Hill 31  Business to Business (B2B) Sale of a product or service from one business to another. Primarily a manufacturer supplier relationship. © McGraw Hill 32  Security Payment methods must be fast, secure, and reliable. Provide a convenient way to submit buyers’ information. Two options: Credit card. Fast and convenient. Digital cash. Internet’s equivalent to traditional cash. Converts digital cash to currency through 3rd party. Cryptocurrency uses public ledgers, known as blockchains, to record all transactions. © McGraw Hill 33  Cloud Computing Shifts computing activities from users’ computers to computers on the Internet. Frees end-users from owning, maintaining, and storing software programs and data. Three basic components: Clients (end-users). Gravvi/Shutterstock The Internet. Service providers. Access the text alternative for slide images. © McGraw Hill 34  Internet of Things (IoT) Continuing development of the Internet. Allows objects embedded with electronic devices to send and receive data. Smartphones. Shutterstock-Pixelsquid/Shutterstock Wearable devices. Coffee makers. Uses Web 3.0 Applications. Andrey_Popov/Shutterstock Access the text alternative for slide images. © McGraw Hill 35  Careers in IT - Webmasters Develop and maintain websites and resources: Backup of company website. Design and development of websites. Work with the marketing AnnaStills/iStock/Getty Images team. Increase site traffic. Development of web promotions. Access the text alternative for slide images. © McGraw Hill 36  A Look to the Future Home Smart Home. alexsl/iStock/Getty Images Plus Access the text alternative for slide images. © McGraw Hill 37  Open Ended Questions 1. Discuss the Internet and web, including their origins, the four generations of the web, and the most common uses. 2. Describe how to access the Internet. What are providers? Define desktop and mobile browsers, and discuss URL’s, HTML, CSS, JavaScript, PHP, and mobile browsers. 3. What are web utilities? Discuss filters, file transfer utilities, and Internet security suites. 4. Discuss Internet communications, including social networking, blogs, microblogs, podcasts, wikis, client-based and web-based e-mail, and text and instant messaging. 5. Define search tools, including search services. Discuss search engines and fake news. Describe how to evaluate the content of a website. 6. Describe electronic commerce, including business-to-consumer, consumer-to- consumer, business-to-business e-commerce, and security. 7. Discuss the Internet of Things (IoT). Describe how Apple Watch and Apple’s Health App are examples of how an IoT device can interact with a Web 3.0 application. 8. What is cloud computing? Describe three basic components of cloud computing. © McGraw Hill 38  Because learning changes everything. ® www.mheducation.com © McGraw Hill LLC. All rights reserved. No reproduction or distribution without the prior written consent of McGraw Hill LLC.