Abramson‚ a professor at the University of Hawaii‚ developed the world’s first wireless computer communication network‚ ALOHAnet (operational in 1971)‚ using low-cost ham-like radios. The system included seven computers deployed over four islands to communicate with the central computer on the Oahu Island without using phone lines. Definition A wireless local area network (WLAN) links two or more devices using some wireless distribution method (typically spread-spectrum or OFDM radio)‚ and usually
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September 2011 The Disadvantages of Social Network Sites It is true that social network sites are growing at an alarming rate and that there are many advantages and disadvantages in using social network sites. If one understands these advantages and attempts to avoid the disadvantages‚ then one can use these sites to improve their knowledge‚ increase personal relationships with Family and friends‚ and create a functioning secure social network on-line. Because social network sites play such an important
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WIRELESS NETWORK SECURITY – HOW SECURE IS IT? by Chris Bradley ITT Technical Institute Information Systems Security student November 23‚ 2010 Dr. French: This report on “Wireless Network Security” is submitted in accordance with your assignment for November 23‚ 2010. Sincerely‚ Chris Bradley ABSTRACT For this project‚ I asked the question “is wireless network protection truly safe?” My literature search led me to conclude that‚ if consumers use the most up-to-date
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of people to keep in touch with each other although they are a million of miles away‚ even stresses out overseas. Although humanity has benefited from the resources and convenience provided by telecommunication‚ contradicting these are the disadvantages of telecommunication if misused‚ brutalized and abused. ”Communication ties together the parts of the society just as the nervous system ties together the parts of an individual. From earliest times‚ when the only form of communication was speech
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It is true that the internet has made it possible for us to do a lot of things easily; it has a lot of advantages as well as disadvantages to name some of the advantages the internet provides us with unlimited communication and information everything we need to look that can be done just by one click away on the internet. You can even keep in touch with your friends‚ share thoughts with
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Handbook of Wireless Networks and Mobile Computing‚ Edited by Ivan Stojmenovic ´ Copyright © 2002 John Wiley & Sons‚ Inc. ISBNs: 0-471-41902-8 (Paper); 0-471-22456-1 (Electronic) HANDBOOK OF WIRELESS NETWORKS AND MOBILE COMPUTING WILEY SERIES ON PARALLEL AND DISTRIBUTED COMPUTING Series Editor: Albert Y. Zomaya Parallel and Distributed Simulation Systems / Richard Fujimoto Surviving the Design of Microprocessor and Multimicroprocessor Systems: Lessons Learned / Veljko Milutinovic ´ Mobile
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SURVEY OF LOAD BALANCING ROUTING PROTOCOL ON MULTIHOP WIRELESS NETWORKS ABSTRACT A Multihop wireless Network have the potential to extend the coverage of a network which composed of mobile nodes where the two nodes can communicate through the number of intermediate nodes in wireless links. Multihop mesh networks‚ Multihop cognitive radio networks‚ sensor networks‚ iMANET‚ vanet are all the examples of Multihop wireless networks. To improve the network performance‚ Load Balancing in Routing mechanism
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the use of wireless technologies‚ specifically radio frequency and free space optics‚ to satisfy business requirements for CAN‚ MAN‚ and WAN links in challenging design situations. The lab fully supports this week’s TCO listed below. TCO 6: Given a specific business scenario with a need to create a typical CAN‚ MAN‚ or WAN‚ design the appropriate type of wireless connection. Background The city of Joshua‚ Texas needs to connect four additional government offices to its primary network located in
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Advantages and Disadvantages of Oligopoly When the market is dominated by a few suppliers‚ it is termed as oligopoly. It can be observed in the television industry of the United States‚ where the market is governed by a handful of market players. The advantages and disadvantages of this market form can be clearly demarcated. Oligopoly market form exists in the television and media industry‚ health care insurance industry‚ and cellular phone service industry of the United Sates. This is because each
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teleprinter‚ as well as the use of radio and microwave communications‚ as well as fiber optics and their associated electronics‚ plus the use of the orbiting satellites and the Internet. A revolution in wireless telecommunications began in the 1900s (decade) with pioneering developments in wireless radio communications by Nikola Tesla and Guglielmo Marconi. Marconi won the Nobel Prize in Physics in 1909 for his efforts. Other highly notable pioneering inventors and developers in the field of electrical
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