Introduction to MIS1 Copyright © 1998 by Jerry Post Introduction to MIS Chapter 3 Review Solving Business Problems

Introduction to MIS2 Web Labs  First, create your web solutions.  Project 1 (four corrections)  Part A1. Save as lab1w.htm instead of lab1w.doc.  Part A2. Save as lab1x.htm instead of lab1x.doc.  Part B 8c. Use Penn State as the example (  Part B9. Put solutions in a folder called Web_Project1 instead of Web _Project.  Project 2 (one correction)  Step 8. Delete “under your labs folder on your q:\drive”.  Print and turn in the lab writeups for both projects.  Create your personal INFSY540 homepage named infsy540.htm with links to each of the separate web pages that you created for these labs. This homepage needs to be in a folder that contains the two project folders.  Projects are due at the beginning of class on 19 Sep.

Introduction to MIS3 Web Labs  Second, FTP your solutions to your Penn State web space.  To post solutions to your web space you have to pass an on-line test at (be sure to include the s in https).  Use the FTP client in the lab at Penn State or download the free FTP client and do it from home.  Enter ftp.personal.psu.edu, your userid and passwordftp.personal.psu.edu  When connected, put the folders (and all of the files under them) you created for the labs into your www folder.  Check that the files are working by entering the url  Third, we will be doing two more web labs as mentioned in the syllabus. But they will come a little later in the course.

Introduction to MIS4 Outline  Object Oriented Design  Use Case Diagram (business processes)  Collaboration Diagram (Object interactions)  A Systems Approach  Input, Process, Output  Divide and Conquer  Goals and Objectives  Control and Feedback  Diagramming Systems  Common Systems Problems in Business  Asking Questions  Solving Business Problems and Cases

Introduction to MIS5 Object name: Object attributes/properties: Object functions/methods: Interest Rate Monthly Fees Pay Interest Compute Charges Print Quarterly Statement NumberBeginning Balance NameEnding Balance ClientCurrent Balance ManagerInterest Rate Date Opened Open AcctAccept Deposits Close AcctWithdrawal Pay Interest Lowest Balance in Month Bad Check Charges Authorized Signature Print Monthly Statement Send Bad Check Notice Pay Interest Budget Saver Savings Account Checking Money Market Senior CitizenCD Fixed Fee Student Volume Object-Oriented Design  Encapsulation  Object Hierarchies  Inheritance  Polymorphism

Introduction to MIS6 Use Case: RT Business Processes Order Entry Assembly & Shipping Purchases & Receipt Product Management Accounting Rolling Thunder Bicycles Customer Retail Store Manufacturer Employee Worker

Introduction to MIS7 Rolling Thunder Order Entry Process Bicycle BikeParts BikeTubes Components Order Entry Clerk Customer Retail Store Retail data Customer Choices BikeSizes Est. sizes Pricing Select New order

Introduction to MIS8 Rolling Thunder Manufacturing Process Bicycle BikeParts BikeTubes Components TubeMaterial QOH Frame Assembler Painter Installer Install Build Paint Install QOH Customer Transaction Ship

Introduction to MIS9 Rolling Thunder Purchasing Process Purchase Order Purchase Items Purchase Order Employee Receive Components QOH Dock employeeManufacturer Transaction Payable

Introduction to MIS10 Some Classes for Rolling Thunder Customer CustomerID Phone FirstName LastName Address ZIPCode CityID BalanceDue CustomerBicycle SerialNumber CustomerID ModelType PaintID FrameSize OrderDate StartDate ShipDate ShipEmployee FrameAssembler Painter Construction WaterBottle… CustomName LetterStyleID StoreID EmployeeID … CustomerBikeTubes SerialNumber TubeName TubeID Length BikeParts SerialNumber ComponentID SubstituteID Location Quantity … Manufacturer ManufacturerID ManufacturerName ContactName Phone … Components ComponentID ManufacturerID ProductNumber Road Category Length Height Width Weight Description ListPrice EstimatedCost QuantityOnHand 1 ** 1 * *1 1 1 *

Introduction to MIS11 Rolling Thunder Bicycle Class Diagram

Introduction to MIS12 Basic Systems Input Process Output A Systems Approach to Process Analysis  Systems  Input, Process, Output  Divide and Conquer  Goals and Objectives  Control and Feedback  Diagramming Systems  Common Systems Problems

Introduction to MIS13 System boundary: The Zoo Members Donors Visitors Other Zoos Education Visitor Counts Educational Materials Baby Animals Registration Papers Health Data The Zoo Money Suppliers Requests & Comments Animal Feed Invoices

Introduction to MIS14 Subsystems: The Zoo Animal Care Donor & Public Relations Manage Facilities Produce Management Reports Manage Human Resources

Introduction to MIS15 Goals and Feedback Feedback Control Analyze Process Input Output Goal

Introduction to MIS16 Data Flow Diagram Objects External Entity Data Flow Feedback and Control Data External Entity Process Data Store (file) Data Flow Feedback and Control Data

Introduction to MIS17 The Zoo: Level 0 public/ zoo visitors donors zoo booster members 1 donor and public relations 2 produce mgt. reports 3 manage human resources 4 animal care 5 manage facilities other zoos & breeders certification agencies management money & requests PR data receipts etc. public requests needs & budgets animal requests health research maintenance schedule maint. & building request specialist request employee schedule specialist request emp. schedule emp. reports employees animal status hours, benefits, etc. pay data, requests receipts Usage reports Management reports

Introduction to MIS18 The Zoo: Level 1 public/ zoo visitors donors zoo booster members 1.2 handle donor requests 1.1 produce PR & outreach programs 1.3 org. booster services & meetings 1.4 track needs and donor programs 1.5 produce accounting & reports adopt an animal files receipts money & comments PR data receipts etc. money & requests newsletter notices, etc. money & suggestions booster requests needs & plans public requests needs & budgets needs & plans donor requests donor lists expenses & budget money, data, visitor statistics accounting reports public requests animal needs

Introduction to MIS19 Systems: Data Dictionary  Processes  Animal CareDescription  Donor & Public Relations...  Employee Relations...  Entities  Certification Agencies...  Donors...  Data  Accounting Reports...  Certification Reports...

Introduction to MIS20 Data Dictionary

Introduction to MIS21 System Problems Do not include data flows between external entities. Drop the line or make one of the entities internal. A process cannot invent data. It must have a data flow coming in to it. A process cannot be a black hole--data must flow out of the process. Maybe it should be a file instead. ManufacturerCustomer Sell Products Invoicessales receipt orders purchase orders warranty registration Modify Reports weekly report daily sales Save Reports Store reports Inventory list

Introduction to MIS22 Boundaries Distribute Educational Materials Create Educational Materials Visitors Problem Boundary Problem: Shortages of Educational Materials Zoo system boundary

Introduction to MIS23 Common Systems Problems  Defective subsystems  Wrong Data  Errors in Data  Missing feedback and control  Not responding to environment Receive Orders Check Customer Credit Check Orders for Errors

Introduction to MIS24 Identifying Cause & Effect donors zoo booster members money & requests public requests needs & budgets adopt an animal files money & suggestions newsletter, notices, etc. donor lists donor requests needs & plans needs & plans booster requests expenses & budget donor list & animal needs & plans Problems Some animal budgets have excess $ Some animal budgets have no money 1.2 Handle donor requests 1.3 Booster services & meetings PR data receipts etc. 1.4 Track needs & donor programs

Introduction to MIS25 Solving Problems Solve the right problem Choose the right tools Divide the system Make decisions Consider consequences Test the system Plan implementation Detail Organization Schedule Customer response Employee response Input Process Output Cause Feasibility

Introduction to MIS26 System Testing Module Price > 10 Module Quality first Test each module Stress testing Test endpoints & borders Test interactions Beta testing: give to others

Introduction to MIS27 Testing All processes, whether they involve products, services, or software development, must be tested for quality at each step.

Introduction to MIS28 Evaluating Projects  Does the project fit with business goals and management style?  Does the project improve the competitive position of the firm?  How long will any competitive advantage last?  What value or reward is created by the system?  What level of technology is needed to create the system?  experimental  leading edge  established  old-hat  What is the probability of technical success?  What is the probability of commercial success?  What are the costs involved in creating the system?  Monetary  Time  Additional capital, marketing and management

Introduction to MIS29 Good Business Analysis  Identify the root causes of problems.  Solid grasp of strategic components.  Identify the critical success factors.  Evaluate the financial implications.  Thorough discussion of implementation.  Realistic analysis of expected results.  Effect on future growth and continued development.  Effect on human resources.  Understanding of target markets.

Introduction to MIS30 Organization of Analysis  Problem description  Identify most important problems  Identify causes of problems  Plan  Describe the new system  Implementation plan  Contingency plan  Advantages  Show how your plan solves the problems  Explain additional benefits or opportunities

Introduction to MIS31 Cases: Specialty Retail

Introduction to MIS32 Cases: Ben & Jerry’s The Limited, Inc. What is the company’s current status? What is the Internet strategy? How does the company use information technology? What are the prospects for the industry?

Introduction to MIS33 Appendix: Creating Web Pages  Determine the content.  Define a style.  Create each page.  Text  Graphics  Link the pages.  Test your work.  Transfer pages to a Web site.

Introduction to MIS34 Appendix: Style Sheets BODY { margin-left: 5px; font: 10pt "Times New Roman", Times, serif; color: black; text-align: left; background-color: #e0ffff; } P { margin-left: 0px; font: 10pt "Times New Roman", Times, serif; color: black; background: transparent; } H1 { margin-left: 0px; font: 16pt "Times New Roman", Times, serif; color: black; font-weight: bold; background: transparent; } Page 3 Page 2 Page1 Style Sheet Body { … } P {…}

Introduction to MIS35 Appendix: Sample HTML Sample HTML Page Section One This is a sample paragraph on a sample page.

Introduction to MIS36 Appendix: Publishing Files Your computer Web server Internet or intranet Initial pages Accessible Web pages Transfer methods: Microsoft Front Page extensions FTP: file transfer protocol

Introduction to MIS37 Web Development Hints  Start with a tool like Microsoft Word (or Front Page, etc.).  Get a good graphics package  Keep page size small  30, ,000 bytes typically takes seconds  First develop the pages on your own computer.  Test all links.  Transfer later.  Use style sheets.  Consistency.  Ease of change.  Study design elements and art.  Formal training/art classes.  Study other sites.  Watch for and create trends.