New Er Digram for BIOIn software engineering‚ an entity–relationship model (ER model) is a data model for describing the data or information aspects of a business domain or its process requirements‚ in an abstract way that lends itself to ultimately being implemented in a database such as a relational database. The main components of ER models are entities (things) and the relationships that can exist among them. Entity-relationship modeling was developed by Peter Chen and published in a 1976 paper
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shown. force Y force X 0 0 0 time 0 time What are forces X and Y ? force X A air resistance resultant force B air resistance weight C upthrust resultant force D upthrust weight The diagram shows four forces applied to a circular object. 30 N 20 N 20 N 30 N Which of the following describes the resultant force and resultant torque on the object? resultant force resultant torque A zero zero B zero non-zero
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A Venn diagram is a drawing‚ in which circular areas represent groups of items usually sharing common properties. The drawing consists of two or more circles‚ each representing a specific group or set. This process of visualizing logical relationships was devised by John Venn (1834-1923). Each Venn diagram begins with a rectangle representing theuniversal set. Then each set of values in the problem is represented by a circle. Any values that belong to more than one set will be placed in
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Questionnaire design and analysing the data using SPSS Questionnaire design. page 1 For each decision you make when designing a questionnaire there is likely to be a list of points for and against just as there is for deciding on a questionnaire as the data gathering vehicle in the first place. Before designing the questionnaire the initial driver for its design has to be the research question‚ what are you trying to find out. After that is established you can address the issues of how best
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(Entity Relation Diagram) 2 2.1 History of ERD 2 2.2 Building Blocks 2 2.2.2 Relationship 2 2.3. Diagramming Conventions 3 MS ACESS TABLE 5 3.1 Parts of Table 6 3.2 Creating Tables in Access 6 Chapter No 2 ERD (Entity Relation Diagram) 2.1 History of ERD An entity-relationship model (ERM) is an abstract and conceptual representation of data. Entity-relationship modeling is a database modeling method‚ used to produce a type of conceptual schema or semantic data model of a system
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Chapter 3: Product Design and Process Selection Answers to Assigned Discussion Questions in Textbook 1. Define product design and explain its relationship to business strategy. Product design is the process of determining all the features and characteristics of a product or service. The design of the product or service must match the business strategy in order for the company to be successful. For example‚ if we create a product with numerous features‚ it would probably be more expensive
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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 = 27000 seconds/ 360 units C = 75 N=275/75=3.66 (4) Balance this line using the
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require disequilibrium according to Piaget? Provide an example of how teachers can create discrepant events. 3. What is the Zone of Proximal Development in Vygotsky’s thought? Do you think it is a good model of learning? Why or why not? The Application of Vgotsky’s Social Development Theory to the Designing of a School Curriculum Christina Nardone: 102150672 Educational Psychology 02-46-324-01 Assignment A: Conceptual Comment University of Windsor Instructor: Anoop Gupta October
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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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FLOW CHART A flowchart is a type of diagram that represents an algorithm or process‚ showing the steps as boxes of various kinds‚ and their order by connecting them with arrows. This diagrammatic representation illustrates a solution to a given problem. Process operations are represented in these boxes‚ and arrows; rather‚ they are implied by the sequencing of operations. Flowcharts are used in analyzing‚ designing‚ documenting or managing a process or program in various fields. Symbol | Name
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