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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6 USE-CASE MODEL: WRITING REQUIREMENTS IN CONTEXT The indispensable first step to getting the things you want out of life: decide what you want. —Ben Stein Objectives • • • • Identify and write use cases. Relate use cases to user goals and elementary business processes. Use the brief‚ casual‚ and fully dressed formats‚ in an essential style. Relate use case work to iterative development. Introduction This chapter is worth studying during a first read of the book because use cases are a
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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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twitterShare on facebookMore Sharing Services Fishbone Diagram Background The Cause & Effect‚ or Fishbone Diagram‚ was first used by Dr. Kaoru Ishikawa of the University of Tokyo in 1943 - hence its frequent reference as a "Ishikawa Diagram". This diagram is used to identify all of the contributing root causes likely to be causing a problem. This methodology can be used on any type of problem‚ and can be tailored by the user to fit the circumstances. Use of this tool has several benefits to process
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Technology Cubao Name: Aquino‚ Aaron Paul Silan Dael‚ Michael Morrison Ignacio Magdaraog‚ Cloud John Yapparraguire Merindo‚ Andrian Tongson Topic Presentation Topic No. 3 I. General Subject Area IT Application in Billing System II. Specific Topic Development of Computerized Billing System for Holy Redeemer School III. Specifics of Research A. Introduction With the power of technology nowadays‚ people get interested with computers. They tried to indulge themselves on it to have a productive result in
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Scatter Diagram MGT350 October 1‚ 200 Tool and Techniques Paper: Scatter Diagram When faced with a problem‚ one can utilize various tools and techniques to try to solve the said problem. Depending on the way a person process his or her thoughts would greatly affect which tools or techniques might be the best for one to use. For example‚ if a person understands better by seeing the information‚ one might use a visual tool like a pie chart‚ bar graph or perhaps a scatter diagram; which
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Venn Diagram Tracy Powell MATH 56 1/25/2015 Lok Man Yang Venn Diagram A Venn diagram is a visual tool to help students organize complex information in a visual way. The Venn diagram comes from a branch of mathematics called a set theory. John Venn developed them in 1891 to show the relationship between sets. The information is normally presented in linear text and students make the diagram to organize the information. It makes it easier when there is a lot of information‚ because with linear text
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physical security in addition to complying with the current HIPPA laws Allow for a redundant connection Implement a plan for disaster recovery‚ backups‚ and how security will exist and be maintained Medical institutions in america still would rather use paper to gather information from their patients and also to record surgical procedures‚ observations‚ and prescriptions. Some practitioners and physicians find accessing digital records somewhat complicated than obtaining a notepad and a pen. In america
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Question 1 Characteristics of bad systems To be useful‚ the information system must possess the characteristic of reliability‚ relevance‚ understandability‚ complete‚ accurate and comparability. However‚ in order for Encik Khalid to detect problems occur with the current or new system are based on the characteristics of bad system which are unreliable‚ irrelevance‚ not understandable‚ incomplete‚ inaccurate‚ and incomparable. The first characteristic is unreliable. Encik Khalid may detect the
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I fully understand that my extracurricular activities appear to be at the absolute minimal. However‚ I would like to contend that this is the direct result of participating in dual enrollment while in high school. Through the High School Enrichment Program offered by State Center Community College District (SCCCD)‚ I am endowed with the privilege to not only enroll in college courses‚ but also receive college credit at the same time. This is a highly rigorous program that only a limited number of
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