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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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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Rick Riordan‚ once a teacher‚ created numerous books. He created books that people enjoyed and inspired people to write books themselves. Although people did not like his books at first‚ he kept writing and made his books better thanks to the people who once disliked him. He made a difference in the realm of writing for children. Rick Riordan created fictional books for both adults and children‚ improving them by thinking out of the box so others would enjoy them‚ and inspiring people to become writers
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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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Entity Relationship Diagram - ERD Database – is a large data repository that stores a shared collection of logically data. A database can be modeled as: A collection of entities and relationship among entities. What is Entity Relationship Diagram? An entity-relationship (ER) diagram is a specialized graphic diagram that illustrates the relationships between entities in a database‚ simply it illustrates the logical structure of databases. ER diagrams often use symbols to represent different types
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Both Class Diagrams and Use Case Diagrams are used in the requirements determination of object oriented development. Object oriented development is an approach to system development that uses the object as the basic unit of systems analysis and design. Use case shows the relationships among actors and use cases within a system. Class diagrams are widely used to describe the types of objects in a system and their relationships The purpose of Use case diagram is that it shows the interaction
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Riordan Manufacturing: Improving Sales Methods Riordan Manufacturing requires an innovative information system proficient in the organization of product sales‚ which allows management of data by employees using computers and mobile devices. The new system must contain customer records‚ password protection for each sales agent’s individual account‚ and use data encryption to promote confidentiality of client and corporate data. A web-based‚ customer relationship management (CRM) system allows
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Riordan Business Systems Riordan Manufacturing currently has four plants of operations. These plants are in San Jose‚ California‚ Albany‚ Georgia‚ Pontiac‚ Michigan and Hungzhou‚ China. Currently the Operations department runs on independent Microsoft SQL servers running Microsoft Project‚ and Microsoft Office 2003. The Research and Development department recently received an upgrade to there outdated Computer Aided Drafting Software from aSa Solutions because the system on hand was inadequate
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Running head: PROBLEM SOLUTION: RIORDAN MANUFACTURING Problem Solution: Riordan Manufacturing Billy Ancheta University of Phoenix Problem Solution: Riordan Manufacturing Pleasure in the job puts perfection in the work – Aristotle Motivation and Rewards have a direct impact on employee satisfaction which in turn related to employee productivity. Never before has the market been so competitive that
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who advises him or her on what courses to take. * Design and draw an ER diagram that captures the information about the university. Use only the basic ER model here; that is‚ entities‚ relationships‚ and attributes. Be sure to indicate any key and participation constraints. Exercise 2. Notown Records has decided to store information about musicians who perform on its albums (as well as other company data) in a database. The company has wisely chosen to hire you as a database
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