BASIC DIODE ELECTRONICS INTRODUCTION TO DIODES The p-n Junction The p-n junction is a homojunction between a p-type and an n-type semiconductor. It acts as a diode‚ which can serve in electronics as a rectifier‚ logic gate‚ voltage regulator (Zener diode)‚ switching or tuner (varactor diode); and in optoelectronics as a light-emitting diode (LED)‚ laser diode‚ photodetector‚ or solar cell. In a relatively simplified view of semiconductor materials‚ we can envision a semiconductor as having two
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a. Customization () i. A-Y; D-Y; I-Y ii. 1‚200 products – focus on niche architecture and customers that value unique‚ high quality over commodities The capability to tailor products to precise customer needs has generated a positive synergy for Samsung allowing the company to charge a premium for their niche component architecture. This competence of creating over 1‚200 different products has given rise to a series of interrelated reactions that are hard to imitate (inimitable)
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who can get the job done. In today society e-health or electronic health is used to transform medical practice and businesses. E-health is basically known as health care and health source being transferred using the means of electronic‚ with these different areas are involved. Firstly‚ it involves health consumer and health professionals in the delivery of health care information though telecommunication and the internet. Secondly‚ e-commerce and e-business is used to practice in health system management
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Name: Darshan Pather Course: E-commerce Assignment 3: Case Study- EBay’s Business Model Lecturer: C. Gneuss Due Date: 27/08/12 Introduction Ebay.com is an online auction and shopping website that allows people and corporations to buy and sell a variety of products and services internationally. EBay makes money by charging fees to sellers‚ however it is free to shop and place bids. Till date EBay has presence including partnerships and investments‚ with more than 90 million users worldwide
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Electronic commerce (e-commerce) over the Internet is the fastest growing method for consumers to conduct business. Less than ten years old and it already has radically altered the potential to economic activities and the social environment. There are nearly 200 million Internet users worldwide currently. Of these 200 million users‚ roughly 40 percent reside in the United States (Styliano‚ A.‚ Robbins‚ S. & Jackson‚ P.‚ 2003). E-commerce currently affects large sectors such as communications‚ banking
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Air Pollution CFish Mr. Nollen Biology 2B 8 May‚ 1996 The Problem Contamination of the atmosphere by gaseous‚ liquid‚ or solid wastes or by-products that can endanger human health and the health and welfare of plants and animals‚ or can attack materials‚ reduce visibility‚ or produce undesirable odors. Among air pollutants emitted by natural sources‚ only the radioactive gas radon is recognized as a major health threat. A byproduct of the radioactive decay of uranium minerals in certain kinds
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Air pollution is a major problem facing our environment today. This dilemma is harmful to every single living creature on this planet. How can we limit the causes of air pollution? There are industrial as well as residential causes of air pollution. How can we limit the effects of air pollution? We all know it affects the environment‚ but it also can affect us directly. Air pollution can be defined as impureness of the air. Air pollution is all around us. It might not be as clearly visible in
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CASE STUDY: Mid-South Chamber of Commerce Abstract: The Mid-south Chamber of Commerce started sometime in early 1900’s and began inception of Information systems in 1989 as they knew leveraging this could give added advantage to their business. From this period till 2010‚ MSCC went through significant changes in their Information systems and Management too. MSCC management tried lots of information systems (hardware and software both) and finally in a long tenure of 20 years ended up with the situation
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inside in a shadowy cold room with their eyes glued to a television with scenes of gory video games of people shooting each other’s heads off. Family dinner talks turn into family members scattered throughout the house entranced in their own little electronic world. The over-use of technology is creating an impatient society and it is also diminishing once-valued personal interaction with others. More often now these days‚ people would rather let a machine take a message instead of answering a call;
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____________________________________________________________________________________________________________________ Alternating Current and Direct Current Generator Pedro Portela‚ João Sepúlveda‚ João Sena Esteves Department of Industrial Electronic University of Minho‚ Campus of Azurém‚ 4800-058 Guimarães‚ Portugal delfimpedrosa@gmail.com‚ sena@dei.uminho.pt Abstract. Spinning a wire loop within a uniform magnetic field in a convenient fashion induces a voltage between the loop terminals
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