DATA FLOW DIAGRAM Group#7 Nugao Oserin Obongen The Data Flow Diagram (DFD) • a graphical representation of the flow of data through an information system. It enables you to represent the processes in your information system from the viewpoint of data. The DFD lets you visualize how the system operates‚ what the system accomplishes and how it will be implemented‚ when it is refined with further specification. • Data flow diagrams are used by systems analysts to design information-processing systems
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E-R Diagram Introduction:- In 1976 ‚Chen developed the Entity-Relationship Diagrams ‚a high-level data model that is useful in developing a conceptual design for database . An ER diagram is a diagram containing entities or “items”‚ relationships among them‚ and attributes of the entities . The E-R model is one of the best known tools for logical database design. Within the database community‚ it is considered a natural and easy-to-understand way of conceptualizing the structure of database.
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Enterprise Architecture Article – 10 By: George Brundage February 12‚ 2011 This article includes my thoughts about the business architecture‚ Cloud Computing‚ Business Process Management (BPM)‚ and Business Rules. This article consists of a conversation between the CIO and Enterprise Architect. It is a product of my imagination. ____________________ CIO: I don’t want you to use the word “consolidation.” Instead‚ use the word “integration.” I am worried that someone will think that we are
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the offices‚ all the computers should be able to view and update the data from any of the three offices. In other words‚ the data storage server within each LAN should be accessible to all computers‚ no matter where they are located. Draw a network diagram that will support this configuration. 3. A small start-up company has a Web-based customer sales system that is written by using PHP and JavaScript. The company is deciding whether to host the system on its own servers‚ contract with a hosting
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THE PLOT DIAGRAM The plot diagram: most people learn about it somewhere in elementary school‚ and indeed‚ it is the most elementary of tools a writer and reader can use in summarizing and outlining a story. It is so basic and flexible that pretty much every story written in existence can be outlined via the plot diagram. And yet‚ there are stories that‚ when outlined‚ twist the plot diagram into interesting shapes‚ which leads me to suspect that there is a missing step in the plot diagram: the elusive
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The Evolution of Architecture due to several analyzed themes (Gothic architecture and Modern architecture) Abstract This paper contains a comparative analysis of the evolution of architecture in relation to Gothic revival and Modern Architecture. In this comparative analysis the similarities and differences of each style are highlighted and discussed. It further discusses and illustrates the elements which are unique to each style. The buildings which are the subject of this analysis includes:
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Video games have become an integrated part of society both in the older and younger generations. As more and more complex games are made and introduced into the community‚ increased amounts of violence are put into these games to draw in more consumers. Many studies have reported that because of the violence in these games‚ younger children and teens have become more violent not only toward family‚ but also toward government and public property. If this continues on the track that has been established
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desired daily output for an assembly line is 360 units. This assembly line will operate 450 minutes per day. The following table contains information on this product’s task times and precedence relationships. TASK TASK TIME(SECONDS) IMMEDIATEPREDECESSOR A 30 - B 35 A C 30 A D 35 B E 15 C F 65 C G 40 E‚F H 25 D‚G 106878243848Draw a precedence diagram What is the workstation cycle time (takt time)? C = Production time per day/Output per day =450 mins. x 60 seconds / 360 units per day =
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Secondary events‚ such as landslides‚ fires‚ and tsunamis‚ account for the remaining 10% of the casualties. This emphasizes the need for strict compliance of town and country planning bye-laws and compulsory earthquake-resistant infrastructure design in India. In this paper various national initiatives taken up for the mitigation of earthquake and related hazards are discussed. 1 Introduction Recent earthquake in India has demonstrated the need for seismic risk evaluation of building stock
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Recap of what we covered last class Nine Step Model of Design Process 1. Recognizing the need 2. Defining the problem 3. Planning the project 4. Gathering information 5. Conceptualizing alternative approaches 6. Evaluating the alternatives 7. Selecting the preferred alternative 8. Communicating the design 9. Implementing the preferred design 1 Hyman/Chapter 1-Introduction to Engineering Design/Rev. 6/24/02 Lecture 3 Problem Formulation Chapter 2 1. Recognizing the need
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