Chapter 9: The Eye * Light is electromagnetic energy that is emitted in form of waves; waves crash into objects and are absorbed‚ reflected‚ scattered‚ and bent * Half of human cerebral cortex is involved with analyzing visual world * MAMMALIAN VISUAL SYSTEM: begins with eye‚ back of eye is retina (contains photoreceptors specialized to convert light energy to neural activity) * Eyes have features to track moving objects and keep transparent surface clean (i.e. by tears) *
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6 Pg 305 2. What is a data flow diagram? Why do systems analysts use data flow diagrams? Answers: A picture of the movement of data between external entities and the processes and data stores within a system. Systems analysts use DFDs to help in the analysis phase by accomplishing the following three things: 1. Requirements Determination 2. Requirements Structuring 3. Alternative Generation and Selection 3. Explain the rules for drawing good data flow diagrams. Answers: Process: A. No process
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Topology Diagram Topology Name Logical Characteristics Physical Characteristics Star Data passes through the hub to reach other devices on the network. Several devices having its own cable that connects to a central hub‚ or sometimes a switch‚ or even a Multi-station Access Unit (MAU). Data passes through the hub to reach other devices on the network. Ring Information is passed from one computer to another in either clock-wise direction or counter clock-wise direction and
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Component Diagram Notations The component diagram’s main purpose is to show the structural relationships between the components of a system. In addition‚ component diagrams are useful communication tools for various groups. In creating a component diagram‚ there are different notations that can be used to show the different relationship of each component within the system. The component diagram notation set now makes it one of the easiest UML diagrams to draw: * COMPONENT A component can
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Loughmiller Davis Research Paper 15 April 2011 Chief Sitting Bull Strong Hearted and Brave “I wish it to be remembered that I was the last man of my tribe to surrender my rifle.” Chief Sitting Bull is one of the most well known Native Americans to this day. He was known for fighting bravely for his people. He died while fighting off white soldiers that were forcing Chief Sitting Bull and his tribe of their own land. Chief Sitting Bull had a life that many people today would try to run from. Although
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Bull riding is the epitome of rodeo excitement. Nothing quite compares with man vs. beast when one outweighs the other by about 10 to one. With nothing but a rope separating them‚ the cowboy must hang on to the rope with one hand for eight seconds. With 2‚000-plus pounds of angry beast doing everything in its power to toss you off‚ you will need the following equipment for bull riding. First you need a Protective Vest‚ invented by Professional Bull Rider (PBR) Cody Lambert‚ is worn by the PBR athletes
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have to align to be successful? With Mountain Man Beer Company (MMBC) experiencing recent declining sales for the first time in its history representing a 2% loss in revenue the previous year and prospect of continuous decline‚ Chris is considering launching Mountain Man Light Beer as a brand extension aligned with changes in beer drinkers’ preferences‚ seeking to maximize market coverage while minimizing brand overlap and at same time avoiding any brand equity damage‚ as its core consumer segment
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USE-CASE DIAGRAM EXERCISE 1. Draw a use case diagram for an ATM machine with the following functionality. A customer’s interaction with the system involves logging in‚ making withdrawal requests‚ deposit requests‚ and balance inquiry requests. If the customer logs in‚ there is a possibility (although rare) that the system will confiscate the card (for example‚ if the login is incorrect or if the bank determines that the customer’s balance is significantly under zero). Card confiscation involves
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SWOT Analysis: Strengths Evidence Implications Well-known brand and experience Reputation; known as a quality beer. Enable to meet the needs of the consumers. Reduce take-up risk by customers Easy to convince retailers to stock your beer extensions. Introductory marketing need not create awareness. Possible packaging and labeling efficiencies. Brand loyalty With a rate of 53% in the East Central region. Mountain Man brand loyalty rate is higher than that of competitors (42% Budweiser and
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Free-body diagrams are diagrams used to show the relative magnitude and direction of all forces acting upon an object in a given situation. A free-body diagram is a special example of the vector diagrams that were discussed in an earlier unit. These diagrams will be used throughout our study of physics. The size of the arrow in a free-body diagram reflects the magnitude of the force. The direction of the arrow shows the direction that the force is acting. Each force arrow in the diagram is labeled
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