Exercise 1 1. Draw an E-R diagram for each of the following situations (if you believe that you need to make additional assumptions‚ clearly state them for each situation): a. A hospital has a large number of registered physicians. Attributes of PHYSICIAN include Physician_ID (the identifier) and Specialty. Patients are admitted to the hospital by physicians. Attributes of PATIENT include Patient__ID (the identifier) and Patient_Name. Any patient who is admitted must have exactly one admitting
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BAR DIAGRAMS Bar diagrams are one of easiest and the most commonly used devices of presenting most of the business and economic data. These are satisfactory for categorical data or series. They consist a group of equidistant rectangles‚ one of each group or category of the data in which the values or the magnitudes are represented by the length or height of the rectangles‚ the width of the rectangles being arbitrary and immaterial. These diagrams are called one-dimensional because in such diagrams
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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 traveler as they are independent agencies. They retail to consumers on an individual basis. Thus‚ they are considered intermediaries in the hospitality distribution channel and are responsible for bringing customers to a product (as opposed to intermediaries in other channels who bring the product to the customer). In a distribution channel that involves only a retail travel agency‚ the hotel will pay a fixed
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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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Channel Integration- What is it ? In the world of Sales and Distribution Management‚ it is imperative to have upstream partners like logistics ‚ distributor ‚ retailers ‚ transporter and whole sellers to effectively sell the products manufactured by a company . Channel integration is a collaborative effort to bring together all these partners into the system and integrate the efforts so that all the partners are benefited out of it. By using the concepts of Channel Integration‚ rather than
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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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FISHBONE DIAGRAM The cause-and-effect diagram was initially developed by Japanese quality expert Professor Kaoru Ishikawa. In fact‚ these diagrams are often called Ishikawa diagrams; they are also called fishbone charts for reasons that will become obvious when we look at an example. Cause-and-effect diagrams are usually constructed by a quality team. For example‚ the team might consist of service designers‚ production workers‚ inspectors‚ supervisors‚ quality engineers‚ managers‚ sales representatives
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Activity Diagram Administrator Inventory System Use Case Descriptions Inventory Use case: Search Item Actor: Sales Clerk Description: The system will search the item. Use case: Look Up remaining stocks. Actor: Sales Clerk Description: The will Look Up if they are enough stocks for the item. Use case: Look Up Item Price Actor: Sales Clerk Description: The system will look up the item price. Use case: Produce item details Actor: Sales
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in mathematics. Developed at the end of the 19th century‚ set theory is now a ubiquitous part of mathematics‚ and can be used as a foundation from which nearly all of mathematics can be derived. In mathematics education‚ elementary topics such as Venn diagrams are taught at a young age‚ while more advanced concepts are taught as part of a university degree. A set is a well defined collection of objects. Georg Cantor‚ the founder of set theory. A set is a gathering together into a whole of definite‚ distinct
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