Systems analysis and development CIS210 ch 15

CIS 210 Systems Analysis and Development Week Part I System Implementation Objectives • Upon completion of part I you will be able to: – Understand and be able to explain the concepts related to coding and testing during system implementation – Understand and be able to create a test plan – Understand and be able to explain the concepts related to four installation strategies: direct, parallel, single location, and phased installation – Understand and be able to creating a training plan for users during system implementation – Understand and be able to explain the common issues related to system implementation – Understand and be able to explain the concepts related to factor and political models of the implementation process Overview • Implementation Phase – – – – – – – – – – Very Expensive Not a mechanical process Shaped by people History Politics Environmental demands Testing Installation Documentation Training System Implementation • Coding, Testing and Installation – Process – Deliverables • • • • • • • • Code, Program documentation Test scenarios and test data Results of program and systems testing User guides A user training plan A installation and conversion plan Documentation, Training, and Support – Process – Deliverables • • • • • • • • • System documentation User documentation Classes Tutorials Training materials Computer-based training aids A help desk Online help Bulletin boards and other support mechanisms Software Application Testing • Overview – – – – Purpose of tests Master test plan Testing managers Testing specialists • Types of Testing – – – – – – – Inspection Walk-through Desk checking Unit testing Integration testing System testing Stub testing Software Application Testing • The Testing Process – Confirm requirements met – Testing must be planned – Test case • Combining Coding and Testing – Test soon after code is generated – Acceptance testing • Alpha • Beta • System audit Installation • Approaches to Installation – – – – Direct Parallel Single-location Phased • Planning for Installation – – – – – Software Hardware Documentation Work methods Offices Documentation • Types of Documentation – System • • • • • Design specifications Internal workings Functionality Internal system documentation External system documentation – User • Written or visual • How system works • How to use it Training and Supporting Users • Training Topics – – – – – – System use Computer concepts IS concepts Organizational information System management Installation • Methods of Delivery – – – – – – – Tutorials Courses Computer-aided instruction Interactive training manuals Resident expert Software help Externals sources • Support – Automated – Help desk Organizational Issues • Characteristics of success – Conventional wisdom • Management support • Involvement of users – Factors models • Ginzberg – Commitment to change and the project – Extent of project definition and change – User expectations • Lucas – – – – – – User’s personal stake System characteristics, User demographics Organizational support Performance Satisfaction – Political models • Self-interested goals • Power distribution Summary • • • • • • • • • • • The coding, testing, and installation process The documentation, training, and support process Types of testing Combining coding and testing Approaches to installation Planning for installation Types of documentation Training topics Methods of training delivery User support Implementation success factors ... able to: – Understand and be able to explain the concepts related to coding and testing during system implementation – Understand and be able to create a test plan – Understand and be able to explain... direct, parallel, single location, and phased installation – Understand and be able to creating a training plan for users during system implementation – Understand and be able to explain the common... Understand and be able to explain the concepts related to factor and political models of the implementation process Overview • Implementation Phase – – – – – – – – – – Very Expensive Not a mechanical