200 likes | 471 Views
The System Study Dr. Merle P. Martin CSU Sacramento Agenda Waterfall Model Preliminary Design Checklists The System Study Go / No-go Decision The FHC Presentation Waterfall Model Development process not really serial May redo steps
E N D
The System Study Dr. Merle P. Martin CSU Sacramento
Agenda • Waterfall Model • Preliminary Design Checklists • The System Study • Go / No-go Decision • The FHC Presentation
Waterfall Model • Development process not really serial • May redo steps • Waterfall model of Systems Analysis • Figure 9-9
Preliminary Design Checklists • Pages 303-307 • Output • Input • Files • Interactive screens • Processes
Output • Make report look good • Include only fields needed • 80-position format • Print layout form (Figure 9-1)
Input • Easy to use • Concise (only required fields) • Aesthetically pleasing • Machine-readable
Files • Consolidate files with similar names • Not too much detail at this time • ERD • Data-element-to-file table (Figure 9-5)
Interactive Screens • Well-balanced (e.g., spacing) • Not cluttered (20% rule) • Minimize use of color • Use highlighting (15%)
Processes • Eliminate if don’t alter data • Consolidate similar processes • Make serial processes parallel • e.g., multiple form copies • Decouple processes • place data store between
The System Study • Problem Statement • Existing System Documentation • project may be delayed • Problem Correction Alternatives • Recommended Solutions • Documentation • in appendices
Go / No-go Decision • Possibilities • Rework • Scrap • Delay • Proceed with SDLC • Figure 9-9, page 314
FHC System Proposal • Foundation Health Corporation existing systems: • PROMIS: memberships and renewals • PROGRES: price quotes • QCARE: medical claims / other customer service
Proposal • Replace PROMIS and PROGRES with new system • Link to QCARE • Two phases • New system is Foundation Rating and Enrollment System (FARE)
Today’s Systems Premium Accounting Quote Disks PROGRESS & Other Quoting Systems PROMIS Spreadsheets Q/Care IBM Mainframe Underwriting Spreadsheets Sales Under- writing
Premium Accounting FARE Phase 1 (Eliminate PROGRESS) New Premium Accounting Interface Q/Care DB2 IBM Mainframe Sales FARE Under- writing
Premium Accounting FARE Phase 2 (Eliminate PROMIS) Renewal Process New Premium Accounting Interface Q/Care DB2 IBM Mainframe Sales FARE Under- writing
FARE Objectives • Multi-state, multi- product rating system • Step to paperless process • Manage work flows • Integrate info sources • FHC common look for proposals • Utilize existing technology • Enterprise-level database
FARE Cost / Benefit • Cost reductions • Revenue enhancements • Alternatives • reengineer current system • in-house design new system • off-the-shelf product • culture eliminated outsourcing design • Tangible / Intangible matrix
Benefits Grid Tangible Intangible Improve Profitability Cross-Selling Opportunities of New Business Improved Member Retention More Less Paperwork and Revenue Administration Costs / Higher System Availability Increase in Prospecting of New Business Elimination of Duplicate Accurate Rating (Single-Rating Data Entry Engine Concept) Less Costs Multiple Proposals / Improved Audit Process Improved Communication Improved Speed of Turnaround Rekeying of Proposals in Word
Concepts to Remember • Preliminary Design checklists • System Study contents • Go / No-go decision