Tutorial Week 7 - Class and Entity-Relationship Diagrams 1 Class Diagrams and Entity Relationship Diagrams (ERD) Class diagrams and ERDs both model the structure of a system. Class diagrams represent the dynamic aspects of a system: both the structural and behavioural features. ERDs‚ depicting only structural features provide a static view of the system. 2 Class Diagrams 2.1 Elements of a class diagram: 2.1.1 class A class is a general concept (represented as a square box). A class defines
Premium Entity-relationship model Relationship
PROPERTY DIAGRAMS OF PURE SUBSTANCES SUBJECT : ENGINEERING THERMODYNAMICS CONTENTS: * Phase and pure substance * Properties of a substance * P-V diagram for a pure substance * P-T diagram for a pure substance * P-V-T surface * T-S diagram for a pure substance * h-s diagram for a pure substance Thermodynamic Properties * Characteristics by which physical properties of system may be described. e.g. pressure‚ volume‚ temperature‚ entropy‚ enthalpy etc
Free Thermodynamics
Network Diagrams and schedule analysis NETWORK DIAGRAMS ARE SCHEMATIC DISPLAYS OF PROJECT SCHEDULE ACTIVITIES AND THE INTERDEPENDENCIES BETWEEN THESE ACTIVITIES. WHEN DEVELOPED PROPERLY‚ THIS GRAPHICAL VIEW OF A PROJECT’S ACTIVITIES CONVEYS CRITICAL SCHEDULE CHARACTERISTICS REQUIRED TO EFFECTIVELY ANALYZE AND ADJUST SCHEDULES – THUS RESULTING IN ACCURATE AND FEASIBLE SCHEDULES. THIS DOCUMENT ADDRESSES WHAT SHOULD BE CONSIDERED IN THE DEVELOPMENT OF A NETWORK DIAGRAM‚ HOW NETWORK DIAGRAMS ARE CREATED
Premium Project management
Go Daddy pulls its IPO filing! Why I decided to pull it. Tuesday‚ August 8‚ 2006 At 2 PM today (Tuesday‚ August 8‚ 2006) I announced at a meeting broadcast to Go Daddy’s 1200+ employees that The Go Daddy Group was officially withdrawing its registration with the SEC to become a public company. We just finished our best quarter - ever! This decision comes after the best quarter in the company’s history. During the 2nd quarter The Go Daddy Group Inc. had GAAP revenue of $56‚985‚000‚ a net accounting
Premium Domain name registrar Cash flow Domain Name System
Gas Station Project * Main * My Books * C/C++ Programs * Java Programs * Perl/PHP/Ruby Programs * Team Projects * Various Projects Program Description This was a semester-long project from my software engineering class at UNO. The goal of this project was to create a gas station management software package using the classic waterfall development lifecycle. Some of the requirements that needed to be met were: the ability to control gas pumps‚ keep track of in-store
Premium Petroleum Carbon dioxide Natural gas
Warburg Pinus and emgs: The IPO Decision | Executve Summary With wide geographic and sectorial reach‚ Warburg Pincus had a flat structure and decentralized deal approval process. In the first part of our report‚ we commented on the merits of these features and how they helped the group make investments. Warburg Pincus acquired emgs in 2004 and was considering its IPO. Throughout time‚ Warburg Pinus had added real value to emgs via operational‚ financial and strategic improvements. We believed
Premium Revenue Generally Accepted Accounting Principles Liability
Objectives Scope and Limitations Significance Assumptions Conceptual Framework REVIEW RELATED SYSTEM METHODOLOGY APPENDICES Request Letter Interview Guide Interview Script LIST OF FIGURES Figures Pages 1 Ishikawa Diagram 2 Conceptual Framework LIST OF APPENDICES Appendices Page A B C D E F G H I J K INTRODUCTION A payroll system involves everything that has to do with the payment of employees
Premium Vermiform appendix Diagram Use case
and Diagrams Fortunately‚ Microsoft Office includes tools needed to word-process symbols‚ subscripts‚ equations and diagrams as standard components. These are used to prepare professional-looking documents complete with equations and diagrams when needed. The tools needed for word-processing equations and diagram are common to the Microsoft Office suite of software and can be accessed from Microsoft Word‚ Excel and PowerPoint. The document‚ Using Symbols‚ Subscripts‚ Equations and Diagrams in Reports
Premium Arithmetic mean Standard deviation Statistics
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
Premium Design Design management
PROJECT NETWORK DIAGRAMS The preferred technique for showing activity sequencing Schematic display of logical relationships among‚ or sequencing of project activities Uses the activity-on-arrow (AOA) or the arrowdiagramming method (ADM) A=1 1 B=2 2 3 4 G=6 D=4 E=5 5 F=4 H=6 6 I=2 J=3 8 C=3 7 1 1/14/2013 EXAMPLE Activity A B C D E F G H I J Initial Node 1 1 1 2 3 3 4 5 7 6 Final Node 2 3 4 5 5 6 7 6 6 8 Estimated Time 1 2 3 4 5 4 6 6 2 3 PROJECT NETWORK DIAGRAMS Steps in
Premium Diagram Project management Venn diagram