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
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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
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Areas of study: Winter’s Bone Quotes Family history and the weight of the past and its impacts on people Woodrell’s depiction of people What it mean to remain a moral‚ decent person Page 7-8 – Contrasting characteristics between Sonny and Harold: Sonny…seed from a brute‚ strong‚ hostile and direct…his fists made hard young knots‚ and he’d become a scrapper at school. Harold…lacked the same sort of punishing spirit and muscle and often came home in need of fixing… Page 8 – Dolly kids: …were
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Venn Diagrams Paper Math 156 Jacqueline Burrell May 13‚ 2012 Evan Schwartz‚ instructor How Venn Diagrams Can Help Students in Math Venn diagrams are used in math to visually assist students when grouping real sets or implied ideas. The diagrams were invented by John Venn and are his only known accomplishments in the science of mathematical logic (Stapel‚ 2012). The diagram begins with all related information and is named the universal set. In this set all the known information pertaining
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The days flew by one-by-one‚ and winter was slowly coming. They had plentiful food supplies to last them for six-to-eight weeks and a creek nearby for water. The cornmeal wasn’t cutting it for their stomachs‚ so Will decided to learn how to spear fish. Spearing was a difficult and patient job for Will‚ but he managed to catch
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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
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No More Broken Bones One scorching summer I sat in the locker room at Biggersville High School with the rest of my football teammates from East Union. We‚ the Urchins‚ have played only one other game as a team. We prepared to head down to the field to warm-up for the second half of the game. We had been losing at this point down by two touchdowns starting off the second half. The first play after kick-off we started on defense. The quarterback snapped the ball and the tight end came rushing right
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PRESERVING FISH SPECIMENS Specimens from any field collection should be deposited in a reference collection in an institutional for the long-term maintenance and access for the future. The animals should therefore be preserved in the best possible condition and where possible‚ ensure that the natural colour is retained‚ their external appendages (e.g. fins) are erected and stomach contents intact. Care should be taken to ensure that specimens are undamaged. Features important in the taxonomic
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Lisa Harlow Guimaraes English 101 January 17‚ 2015 Greek Goddesses Jesmyn Wards novel‚ Savage the Bones‚ takes place in Bios Savage‚ in rural Mississippi. The novel consists of twelve days each day being a chapter‚ all leading up to the massive destruction of hurricane Katrina. The main characters include Junior‚ age seven; Esch‚ fifteen; Skeetah‚ sixteen; and Randall‚ seventeen. Their Mama died seven years ago when Junior was born. Daddy is around but has a problem with alcohol. They have a pit
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Identifying a Bone Deformity Identifying a bone deformity is fairly easy if the bone is twisted or curved significantly enough that anyone could visually look at it and see that something is definitely wrong. However‚ sometimes‚ the deformities are less noticeable. In these cases‚ a doctor must do a thorough examination of the limb that is being disfigured. Measurements are taken to compare it with the other matching limb. X-rays and bone density analysis tests are sometimes also needed too. Causes
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