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1、7.1 2007 by Prentice Hall7Chapter Telecommunications, Telecommunications, the Internet, and the Internet, and Wireless TechnologyWireless Technology7.2 2007 by Prentice HallLEARNING OBJECTIVESManagement Information SystemsManagement Information SystemsChapter 7 Telecommunications, the Internet, and
2、Wireless TechnologyChapter 7 Telecommunications, the Internet, and Wireless TechnologyDescribe the features of telecommunications networks and identify key networking technologies.Evaluate alternative transmission media, types of networks, and network services.Demonstrate how the Internet and Intern
3、et technology work and how they support communication and e-business.7.3 2007 by Prentice HallLEARNING OBJECTIVES (contd)Management Information SystemsManagement Information SystemsChapter 7 Telecommunications, the Internet, and Wireless TechnologyChapter 7 Telecommunications, the Internet, and Wire
4、less TechnologyIdentify and describe the principal technologies and standards for wireless networking, communication, and Internet access.Assess the business value of wireless technology and important wireless applications in business.7.4 2007 by Prentice HallHyatt Regency Osaka Uses Wireless Networ
5、king for High-Touch ServiceProblem: Overcoming poor location and steep competition.Solutions: Deploy IP network, wireless LAN, and wireless clients with links to customer database to increase service and revenue.Wireless mobile access to customer systems and wireless data and voice services enable e
6、mployees to work more efficiently and focus on customers.Demonstrates ITs role in providing superior customer service and redesigning processes and job functions.Illustrates digital technologys ability to overcome business weaknesses by creating new strengths.Management Information SystemsManagement
7、 Information SystemsChapter 7 Telecommunications, the Internet, and Wireless TechnologyChapter 7 Telecommunications, the Internet, and Wireless Technology7.5 2007 by Prentice HallTelecommunications and Networking in Todays Business WorldNetworking and communication trendsWhat is a computer network?N
8、etworks in large companiesKey digital networking technologiesClient/server computingPacket switchingTCP/IP and connectivityManagement Information SystemsManagement Information SystemsChapter 7 Telecommunications, the Internet, and Wireless TechnologyChapter 7 Telecommunications, the Internet, and Wi
9、reless Technology7.6 2007 by Prentice HallComponents of a Simple Computer NetworkComponents of a Simple Computer NetworkFigure 7-1Illustrated here is a very simple computer network, consisting of computers, a network operating system residing on a dedicated server computer, cable (wiring) connecting
10、 the devices, network interface cards (NIC), switches, and a router.Telecommunications and Networking in Todays Business WorldManagement Information SystemsManagement Information SystemsChapter 7 Telecommunications, the Internet, and Wireless TechnologyChapter 7 Telecommunications, the Internet, and
11、 Wireless Technology7.7 2007 by Prentice HallCommunications NetworksSignals: digital vs. analogTypes of networksLocal area networksMetropolitan and wide area networksPhysical transmission mediaTwisted wireCoaxial cableFiber optics and optical networksWireless transmission media and devicesTransmissi
12、on speedBroadband network services and technologiesManagement Information SystemsManagement Information SystemsChapter 7 Telecommunications, the Internet, and Wireless TechnologyChapter 7 Telecommunications, the Internet, and Wireless Technology7.8 2007 by Prentice HallNetwork TopologiesNetwork Topo
13、logiesFigure 7-6The three basic network topologies are the bus, star, and ring.Communications NetworksManagement Information SystemsManagement Information SystemsChapter 7 Telecommunications, the Internet, and Wireless TechnologyChapter 7 Telecommunications, the Internet, and Wireless Technology7.9
14、2007 by Prentice HallThe InternetWhat is the Internet?Internet addressing and architectureThe Domain Name SystemInternet architecture and governanceThe future Internet: IPv6 and Internet2Internet servicesThe World Wide WebHypertextWeb serversSearching for information on the WebWeb 2.0Management Info
15、rmation SystemsManagement Information SystemsChapter 7 Telecommunications, the Internet, and Wireless TechnologyChapter 7 Telecommunications, the Internet, and Wireless Technology7.10 2007 by Prentice HallThe InternetManagement Information SystemsManagement Information SystemsChapter 7 Telecommunica
16、tions, the Internet, and Wireless TechnologyChapter 7 Telecommunications, the Internet, and Wireless TechnologyClient/Server Computing on the InternetClient/Server Computing on the InternetFigure 7-10Client computers running Web browser and other software can access an array of services on servers o
17、ver the Internet. These services may all run on a single server or on multiple specialized servers.7.11 2007 by Prentice HallIntranets and extranetsTechnologies and tools for communication and e-businessE-mail, chat, instant messaging, and electronic discussionsInternet telephonyVirtual private netw
18、orksThe InternetManagement Information SystemsManagement Information SystemsChapter 7 Telecommunications, the Internet, and Wireless TechnologyChapter 7 Telecommunications, the Internet, and Wireless Technology7.12 2007 by Prentice HallRead the Interactive Session: Management, and then discuss the f
19、ollowing questions:Should managers monitor employee e-mail and Internet usage? Why or why not?Describe an effective e-mail and Web use policy for a company.Monitoring Employees on Networks: Unethical or Good Business?Management Information SystemsManagement Information SystemsChapter 7 Telecommunica
20、tions, the Internet, and Wireless TechnologyChapter 7 Telecommunications, the Internet, and Wireless TechnologyThe Internet7.13 2007 by Prentice HallWireless devicesCellular systemsCellular network standards and generationsMobile wireless standards for Web accessWireless computer networks and Intern
21、et accessBluetoothWi-FiWi-Fi and wireless Internet accessWiMaxBroadband cellular wireless and emerging wireless servicesRFID and wireless sensor networksManagement Information SystemsManagement Information SystemsChapter 7 Telecommunications, the Internet, and Wireless TechnologyChapter 7 Telecommun
22、ications, the Internet, and Wireless TechnologyThe Wireless Revolution7.14 2007 by Prentice HallA A Bluetooth Bluetooth Network (PAN)Network (PAN)Figure 7-16Bluetooth enables a variety of devices, including cell phones, PDAs, wireless keyboards and mice, PCs, and printers, to interact wirelessly wit
23、h each other within a small 30-foot (10-meter) area. In addition to the links shown, Bluetooth can be used to network similar devices to send data from one PC to another, for example.Management Information SystemsManagement Information SystemsChapter 7 Telecommunications, the Internet, and Wireless
24、TechnologyChapter 7 Telecommunications, the Internet, and Wireless TechnologyThe Wireless Revolution7.15 2007 by Prentice HallRead the Interactive Session: Organizations, and then discuss the following questions:How is RFID technology related to Wal-Marts business model? How does it benefit supplier
25、s?What management, organization, and technology factors explain why Wal-Mart suppliers had trouble implementing RFID systems?What conditions would make adopting RFID more favorable for suppliers?Should Wal-Mart require all its suppliers to use RFID? Why or why not? Explain your answer.Wal-Mart Grapples with RFIDManagement Information SystemsManagement Information SystemsChapter 7 Telecommunications, the Internet, and Wireless TechnologyChapter 7 Telecommunications, the Internet, and Wireless TechnologyThe Wireless Revolution
