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Description
Africa still is the continent with the most 'white spots', places without internet or mobile phone signal, and this holds a great promise for Africans and for the global technology companies that aim to enlarge their markets. More than 80 percent of all African households have mobile phones and in some of the 54 countries on the continent half of that number are smartphones. This program observes how Africa is getting connected and features prominent...
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"This book serves as an excellent textbook for introductory undergraduate courses in information technology. For consumers who want to know more about this field, the book's presentation of the essential math and physics provides, the foundation needed to understand the field and its impact on society."--Jacket.
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When your Internet cable leaves your living room, where does it go? Almost everything about our day-to-day lives--and the broader scheme of human culture--can be found on the Internet. But what is it physically? And where is it really? Our mental map of the network is as blank as the map of the ocean that Columbus carried on his first Atlantic voyage. The Internet, its material nuts and bolts, is an unexplored territory. Until now. In Tubes, journalist...
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The writing of this book was motivated by the authors' observation that convergence is requiring computer science students to gain a better understanding of communications concepts. The authors have therefore written a book that addresses this gap, delivering to the computer science student the key essentials in a thorough manner. The book walks the reader through the Fourier transform, analog and digital modulation techniques, multiple access communications,...
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"From the Wireless to the Web: The Evolution of Telecommunications 1901 to 2001 is a story of endeavour, from the discovery and development of early radio to the present forms of communication. It describes how there has been a series of technological developments and events that has led inexorably to the achievement of enhanced person-to-person communications, the Internet and the World Wide Web. The book marks the centenary of the first trans-Atlantic...
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