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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The Entity Relationship Diagram (ERD) depicts a conceptual data model that incorporates some of the important scientific information about the real world. It adopts a natural view that the real world consists of entities and relations (Chen‚ 1976). One objective of the ERD is to create a simple‚ easy to understand and conveniently presented data model consisting of entities‚ attributes‚ relationships and cardinalities. The model serves as tool for database design‚ where the model can facilitate communication
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Web 2.0: The future of the internet Department of Business Informatics‚ SEE University‚ Tetovo-MACEDONIA ABSTRACT Our research topic is about the evolutionary change on the network‚ the development of the Web 2.0.The text beneath is about some main features of the web 2.0 from where it derived and its development‚ and the key differences between Web 1.0 and Web 2.0. INTRODUCTION Web 2.0 is the term given to describe a second generation of the World Wide Web that is focused on the ability for
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References: Felke-Morris‚ T. (2011). Web development & design foundations with XHTML (5th ed.). Pearson Education. Ledford‚ J. L. (2009). Seo: Search engine optimization bible (2nd ed.). Indianapolis‚ IN: Wiley. Wilton‚ P.‚ & McPeak‚ J. (2009). Beginning JavaScript® (4th ed.). Indianapolis
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Web Accessibility for People with Physical Handicaps Terry Martin University of Phoenix WEB410 Web Programming I Suzy Stueben June 27‚ 2005 Web Accessibility for People with Physical Handicaps The world is becoming increasingly more aware and sensitive to the challenges facing the physically impaired. This is evident in the increase in special accommodations specifically meant to aid people with special needs in the ability to interact with
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choose the sentence that uses--or omits--commas correctly. 1. A. What are Web logs or‚ blogs? B. What are Web logs‚ or blogs? 2. A. Web logs‚ one of the newest types of documents on the Web‚ are very popular. B. Web logs‚ one of the newest types of documents‚ on the Web are very popular. 3. A. In 1998-1999 very few Web sites could be called‚ Web logs. B. In 1998-1999‚ very few Web sites could be called Web logs. 4. A. Eventually‚ these types of sites became popular‚ and many people
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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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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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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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