Week 1-Discussion 1-Circular Flow Diagram To first explain how the circular flow diagram relates to the current economic situation‚ one must realize that the two‚ three‚ and four sector models no longer apply to the United States any more. Only the five sector model currently applies. The five sector model of the circular flow of income is a more realistic representation of the economy and has a more definitive look as to what and how economics really is in the world. In the more simplistic two
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mywbut.com Data Flow Diagrams (DFDs) 1 mywbut.com Specific Instructional Objectives At the end of this lesson the student will be able to: • • • Identify the activities carried out during the structured analysis phase. Explain what a DFD is. Explain why constructing DFDs are important in arriving at a good software design. • Explain what a data dictionary is. • Explain the importance of data dictionary. • Identify whether a DFD is balanced. Structured Analysis Structured analysis
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5 Design Decision Styles. What’s Yours? By Jared M. Spool Originally published: Jan 21‚ 2009 In the early days of e-commerce‚ we studied how seasoned hiking customers bought hiking boots online. Two sites in our study‚ L.L. Bean and REI‚ both sold virtually identical boots at the same price with practically the same marketing copy. Yet the customers we studied were far more likely to buy the boots on the REI site than on the L.L. Bean site. Why? Because the product pictures on the REI site showed
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1. What is an Entity Relationship Diagram? An entity relationship diagram is a graphical representation of an organisation’s data storage requirements. Entity relationship diagrams are abstractions of the real world which simplify the problem to be solved while retaining its essential features. Entity relationship diagrams are used to: identify the data that must be captured‚ stored and retrieved in order to support the business activities performed by an organisation; and identify the data required
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Advantages & Disadvantages of Mobile Tracking • The Motorola DynaTAC‚ the first mobile telephone‚ ushered in a revolution in wireless communication in 1973. Today‚ mobile devices combined with technological advancements provide several benefits‚ including tracking minors and emergency-location service enhancements. The Global Positioning System (GPS)‚ a "constellation" of 24 U.S. Department of Defense satellites‚ has enhanced mobile-tracking technology. However‚ with technological advancement
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Curricular tracking is often claimed to be a root cause of differential school performance. Your task is to write an essay that supports‚ refutes‚ or is neutral on this claim Throughout the development of education‚ there has been evidences of a constant strive towards providing equal education to all students despite their background. For example‚ Horace Mann creation of the common school or John Dewey’s idea of progressive education. However‚ recently as different forms of education has been implemented
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ADC0803‚ ADC0804 ® Data Sheet August 2002 8-Bit‚ Microprocessor-Compatible‚ A/D Converters FN3094.4 Features The ADC080X family are CMOS 8-Bit‚ successiveapproximation A/D converters which use a modified potentiometric ladder and are designed to operate with the 8080A control bus via three-state outputs. These converters appear to the processor as memory locations or I/O ports‚ and hence no interfacing logic is required. The differential analog voltage input has good commonmode-rejection
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5. System design 5.1 Use case diagram A use case diagram at its simplest is a representation of a user’s interaction with the system that shows the relationship between the user and the different use cases in which the user is involved. A use case diagram can identify the different types of users of a system. The different use cases and will often be accompanied by other types of diagrams as well. Figure 5.2: Use case Diagram 5.3 Use Case Analysis 5.3.1 Activity Diagram The following activity
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Food Web Diagram Snake (D) Hawk (D) Coyote (D) Insects (C) Scorpion (C) Lizard (C) Quail (C) Mouse (C) Cactus (P) Grass (P) When you are explaining an ecosystem you have producers‚ consumers‚ and decomposers. Producers are the plants and the tress in the ecosystem that provide the energy to the ecosystem. As for the desert the producers are cactus and grass. The consumers of the ecosystem are in three different kinds‚ they are herbivores‚ carnivores‚ and omnivores. Herbivores are the consumers
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consideration with dementia patients includes Global Positioning Systems (GPS) monitoring. Throughout this paper‚ positions on GPS monitoring for patients with dementia and practice implications will be further explored. According to White & Montgomery‚ electronic tracking of patients with dementia through GPS can be utilized to both monitor and locate those who may be vulnerable to becoming lost. Benefits of utilizing GPS systems in patients with dementia can include giving caregivers a sense of
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