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2  Wireless communications technology has been around for more than 100 years, since Guglielmo Marconi sent the first wireless message by using radio waves  Wireless technology has transformed the way people work, communicate, and learn A World Without Wires

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4 Wireless Networks and Terminology  Wireless Personal Area Network (WPAN)  A short-range wireless network often based on Bluetooth technology  Bluetooth technology uses short-range radio waves to transmit data between two Bluetooth devices  Smart phones  Microphones

Chapter 8: Security Issues, Ethics, and Emerging Technologies in Education 5 Wireless Networks and Terminology  Wireless Local Area Networks (WLAN)  A network that uses wireless media, such as radio waves, to connect computers and devices in a limited space   Wi-Fi Alliance  Wi-Fi  Public Internet access point  Hot spot  Cybercafé  Wi-Fi ZONE  Warchalking

Chapter 8: Security Issues, Ethics, and Emerging Technologies in Education 6 Wireless Networks and Terminology  Wireless Metropolitan Area and Wide Area Networks  A wireless metropolitan area network (WMAN) is a wireless network designed to cover an urban area  A wireless wide area network (WWAN) is a wireless network that covers a wide geographic area and uses a variety of technologies  Radio  Satellite  Mobile telephones

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8 Wireless Technology and Education  Campus Computing Project  The University of Central Florida has made wireless networking available over its entire campus  Wireless networks also are becoming common in many K-12 schools and school districts

Chapter 8: Security Issues, Ethics, and Emerging Technologies in Education 9 Wireless Technology and Education  Wireless Tablet PC  Size of a spiral notebook  Combines all the power and speed of a desktop computer with Windows XP Tablet PC software

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Chapter 8: Security Issues, Ethics, and Emerging Technologies in Education 11 Wireless Technology and Society  Wireless Home Networking  A wireless home network connects your home computers and peripherals without the use of wires

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Chapter 8: Security Issues, Ethics, and Emerging Technologies in Education 13 Wireless Technology and Society  Service Industry  Health-care professionals  Police officers  Package couriers  Retail sales personnel

Chapter 8: Security Issues, Ethics, and Emerging Technologies in Education 14 Wireless Technology and Society  Global Positioning  Global Positioning System (GPS) devices  GPS satellites  Provides exact geographic location

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Chapter 8: Security Issues, Ethics, and Emerging Technologies in Education 16 Wireless Technology and Society  Anyplace, Anytime Connectivity  Anyplace, anytime wireless connectivity makes it easy to synchronize files on your handheld computers and notebook computers