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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Charlotte’s Web a Novel and Film Version Charlotte’s web the novel is a warm-hearted‚ classic children’s novel. The center theme of the novel is about on true friendship and loyalty. The movie‚ although released in 2006‚ the proved to be true to the memorable and popular book. The story in the novel as well in the movie remains the same. But the main difference between reading the novel against watching the movie is‚ movie will eliminate the imagination of the landscape or the character and it
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This is about a love‚ friendship novel. Charlotte’s Web is one of the most popular books written by E.B. White‚ and it was published in 1952 by Harper & Brothers. The book evokes positive emotions and influences the audience in spite of its seeming simplicity. At the same time‚ the book raises such themes as friendship‚ which is one of the central themes of the book. In such a way‚ the author apparently attempts to draw the attention of the audience to relations of people and revives the importance
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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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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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SYLLABUS BCOM/230 Business Communication for Accountants Copyright ©2014 by University of Phoenix. All rights reserved. Course Description This course introduces students to the foundations of communication in a business accounting setting. Students are exposed to various topics related to interpersonal and group communications within the context of applications to the accounting field. Students will develop skills in the forms of written communication‚ including memos‚ e-mails‚ business
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THE CULTURAL WEB BEFORE HOWARD STRINGER Organizational culture sometimes influences the organizations strategy if taken for granted. Culture has played a role in Sony’s current financial difficulties. They had power blocks which hindered the flow of communication and corporation between the management‚ designers‚ production and marketing. The Cultural Web‚ developed by Gerry Johnson and Kevan Scholes in 1992‚ provides one such approach for looking at and changing your organization ’s culture
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Priscilla Avila HCIS/245 3/6/2015 Wk. 5 WORKFLOW DIAGRAM Dorothy has been experiencing constant headaches and fatigue. She decides it is time to visit her doctor‚ and she contacts her doctor’s office and schedules an appointment for the following day. 1. Dorothy calls her doctor’s office and requests a next day appointment. 2. That night the medical office computer verifies her insurance eligibility as well as for all the next day’s appointments. 3. When Dorothy arrives at her
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