FA08_040_Lecture4_Mobile_Computing MB (2)

FA08_040_Lecture4_Mobile_Computing MB (2) -...

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Click to edit Master subtitle style "To err is human, but to really foul things up you need a computer." -Paul Ehrlich. "Programming today is a race between software engineers striving to build bigger and better idiot- proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." - Rich Cook. "Beware of computer programmers that carry screwdrivers.“ -Leonard Brandwein. "UNIX is basically a simple operating system, but you have to be a genius to understand the simplicity." -Dennis Ritchie. "There are only 10 types of people in the world: Those who can count and those who can't." - Anonymous "Anyone who spends time in meetings and wants to take notes, anybody who wants to read material in a natural way -- where you just hold the device in your hands -- will want this product, anybody who annotates things and wants to share those things.“ –Bill Gates describing the Tablet PC target market at the Tablet PC product launch
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Click to edit Master subtitle style Mobile Computing & the Tablet Technology: Prof. Bovee BSAD 40 Fall, 2007
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Agenda ¢ WiFi Networking l What is it? l What are the Limitations? l What are the Benefits? l Ad-Hoc Networking l ¢ What is a Tablet PC? l Learning To Think In Ink l Why did the School of Business Administration Require this Machine? l The Future of Tablet PC’s
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What is WiFi? ¢ Wireless Fidelity ¢ Short Range Internet Connectivity Solution with Max Data Transfer rates of 55 Mb/s ¢ ‘Cordless Phone’ solution for Computers ¢ An Easy to Get, Easy to Install and Easy to Use ‘cheap’ networking solution for Laptops, Desktops and other computing devices.
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How WiFi works ¢ A typical Wi-Fi setup contains one or more Access Points (APs) and one or more clients. ¢ An AP broadcasts its SSID (Service Set Identifier, "Network name") ¢ The client chooses to connect or not to an AP. ¢ Wi-Fi standard leaves connection criteria and roaming totally open to the client. l Firmware and software drivers vary l Means that one wireless adapter may perform substantially better than another
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Advantages of WiFi ¢ Cheaper l Cable-Less Local Area Networks l Reduced network deployment and expansion costs. l Wi-Fi Product Prices are very reasonable and becoming cheaper ¢ Easier l Spaces where cables cannot be run, such as outdoor areas and historical buildings, can host wireless LANs. l
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FA08_040_Lecture4_Mobile_Computing MB (2) -...

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