Chapter 7 Telecommunications, the Internet, and Wireless Technology

Chapter 7 Telecommunications, the Internet, and Wireless Technology

Chapter 7 Telecommunications, the Internet, and Wireless Technology 7.1 2007 by Prentice Hall Management Information Systems Chapter 7 Telecommunications, the Internet, and Wireless Technology LEARNING OBJECTIVES Describe 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 Internet technology work and how they support communication and ebusiness. 7.2 2007 by Prentice Hall Management Information Systems Chapter 7 Telecommunications, the Internet, and Wireless Technology LEARNING OBJECTIVES (contd) Identify 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.

7.3 2007 by Prentice Hall Management Information Systems Chapter 7 Telecommunications, the Internet, and Wireless Technology Hyatt Regency Osaka Uses Wireless Networking for High-Touch Service Problem: 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 employees 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. 7.4 2007 by Prentice Hall Management Information Systems Chapter 7 Telecommunications, the Internet, and Wireless Technology Telecommunications and Networking in Todays Business World Networking and communication trends What is a computer network? Networks in large companies Key digital networking technologies

Client/server computing Packet switching TCP/IP and connectivity 7.5 2007 by Prentice Hall Management Information Systems Chapter 7 Telecommunications, the Internet, and Wireless Technology Telecommunications and Networking in Todays Business World Components of a Simple Computer Network Illustrated here is a very simple computer network, consisting of computers, a network operating system residing on a dedicated server computer, cable (wiring) connecting the devices, network interface cards (NIC), switches, and a router.

Figure 7-1 7.6 2007 by Prentice Hall Management Information Systems Chapter 7 Telecommunications, the Internet, and Wireless Technology Communications Networks Signals: digital vs. analog Types of networks Local area networks Metropolitan and wide area networks Physical transmission media

Twisted wire Coaxial cable Fiber optics and optical networks Wireless transmission media and devices Transmission speed Broadband network services and technologies 7.7 2007 by Prentice Hall Management Information Systems

Chapter 7 Telecommunications, the Internet, and Wireless Technology Communications Networks Network Topologies The three basic network topologies are the bus, star, and ring. Figure 7-6 7.8 2007 by Prentice Hall Management Information Systems Chapter 7 Telecommunications, the Internet, and Wireless Technology The Internet What is the Internet?

Internet addressing and architecture The Domain Name System Internet architecture and governance The future Internet: IPv6 and Internet2 Internet services The World Wide Web Hypertext Web servers Searching for information on the Web Web 2.0 7.9 2007 by Prentice Hall Management Information Systems Chapter 7 Telecommunications, the Internet, and Wireless Technology

The Internet Client/Server Computing on the Internet Client computers running Web browser and other software can access an array of services on servers over the Internet. These services may all run on a single server or on multiple specialized servers. Figure 7-10 7.10 2007 by Prentice Hall Management Information Systems Chapter 7 Telecommunications, the Internet, and Wireless Technology The Internet Intranets and extranets

Technologies and tools for communication and e-business E-mail, chat, instant messaging, and electronic discussions Internet telephony Virtual private networks 7.11 2007 by Prentice Hall Management Information Systems Chapter 7 Telecommunications, the Internet, and Wireless Technology The Internet Monitoring Employees on Networks: Unethical or Good Business? Read the Interactive Session: Management, and then

discuss the following 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. 7.12 2007 by Prentice Hall Management Information Systems Chapter 7 Telecommunications, the Internet, and Wireless Technology The Wireless Revolution Wireless devices Cellular systems Cellular network standards and generations

Mobile wireless standards for Web access Wireless computer networks and Internet access Bluetooth Wi-Fi Wi-Fi and wireless Internet access WiMax Broadband cellular wireless and emerging wireless services RFID and wireless sensor networks 7.13 2007 by Prentice Hall Management Information Systems Chapter 7 Telecommunications, the Internet, and Wireless Technology The Wireless Revolution

A Bluetooth Network (PAN) Bluetooth enables a variety of devices, including cell phones, PDAs, wireless keyboards and mice, PCs, and printers, to interact wirelessly with 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. Figure 7-16 7.14 2007 by Prentice Hall Management Information Systems Chapter 7 Telecommunications, the Internet, and Wireless Technology The Wireless Revolution Wal-Mart Grapples with RFID

Read the Interactive Session: Organizations, and then discuss the following questions: How is RFID technology related to Wal-Marts business model? How does it benefit suppliers? 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. 7.15 2007 by Prentice Hall

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