IT 548 Telecommunications & Networking Local Area Networks Hood College Dept. of Computer Science Spring 2013 Layer 2: The Datalink Layer • • 2 Datalink layer provides a reliable communications link between devices. Breaks a data stream into chunks called frames‚ or cells. Three key functions: • error detection • error correction • flow control • • In LANs DL can be broken down into two sub-layers: • media access control (MAC) • logical link control (LLC). • flow and
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| Natural Monopoly | Telecommunications Law and Regulation Week 2 | | | | | I believe that times change and as they‚ change rules and regulations must adapt to the times. Therefore‚ the treatment of the different industries must represent the different industries as they grow. I do not think the Telephone and Broadcast should never have or ever be considered a “Natural Monopoly”. The concept of natural monopoly presents a challenging public policy dilemma. On the one
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there will be an increase in power generation‚ not only in terms of how much is generated‚ but also how it is generated‚ as there is growing electricity generation from renewable sources. To meet these challenges‚ countries are investing in Smart Grid technology. This system aims to provide the electricity industry with a better understanding of power generation and demand‚ and to use this information to create a more efficient power
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been made‚ such as cell phones. The power grid however has not stayed current with what technology has to offer. Resolving the gap between the existing grid and the smart grid is an area of fervent research. Much of the success of the smart grid relies on new communication architecture to allow for smart metering‚ quality of service implementations‚ and distributed power generation. In a way there is an opportunity not just to incrementally change the grid‚ but to architect it intelligently for current
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WIRELESS TECHNOLOGY INTRODUCTION Technology continues to develop very quickly down to the corner of the world‚ but not with strong will and hard work‚ information technology‚ chaired by the computer becomes a linear phenomenon with the development progress of the age. The development of information technology is developing very rapidly‚ this development can not be separated from the ability of computers to perform data communication and also establish a computer network both
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Somalia: 20 years of anarchy POLS 104 (gr.5) Gulbahar Seitniyazova Student number: 127320 Somalia‚ from 1991 to 2006‚ is cited as a real-world example of a stateless society and legal system. Since the fall of Siad Barre’s government in January 1991‚ there had been no permanent national government in Somalia until the current Transitional Federal Government. Large areas of the country such as Puntland‚ and Galmudug are internationally unrecognized autonomous regions‚ while Somaliland is a
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upgraded Pulse Evolution system incorporated a Pizza Tracker functionality that shows the progression of individual pizza orders. This is an example of using information systems to achieve which business objective? 2. (TCO A) Networking and telecommunications technologies‚ along with computer hardware‚ software‚ data management technology‚ and the people required to run and manage them‚ constitute an organization’s 3. (TCO B) Internet technology 4. (TCO C) The difference between a data warehouse
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Management Information Systems‚ 12e (Laudon) Chapter 5 IT Infrastructure and Emerging Technologies 1) IT infrastructure technology is purely a set of physical devices and software applications that are required to operate the entire enterprise. Answer: FALSE Diff: 1 Page Ref: 165 AACSB: Use of IT CASE: Content Objective: 5.1 2) Client/server computing is a widely used form of centralized processing. Answer: FALSE Diff: 2 Page Ref: 168 AACSB: Use of IT CASE: Content Objective:
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Operating Strategy ~ The UNIQLO case~ 1142535b Sachiko Okita Introduction UNIQLO is a Japanese casual wear designer‚ manufacturer and retailer. UNIQLO has been recording good sale‚ they made a new sales record‚ 923‚600‚000‚000yen on 2012. In addition‚ they have wide and various customers‚ old and young‚ men and women‚ family and couples etc. Their sex‚ age and life style is different. The key success factor is “No target customer” In 2013 the CEO of UNIQLO‚ Tadashi Yanai made new concept
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| | |with a great advantage that solar energy| | | |is free; it needs no fuel and produces | | | |no waste or pollution‚ environmentally | | | |friendly‚ so particularly useful in | | | |situations where electrical power from | | | |the grid is unavailable such as in | | | |remote area power systems‚ | | | |Earth-orbiting satellites and space | | | |probes‚ remote radiotelephones and water| | | |pumping applications‚ where its | | | |applications stands
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