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Systems Design, Implementation, and Operation
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Systems Design, Implementation, and Operation
Discuss the conceptual systems design process and the activities in this phase.
Discuss the physical systems design process and the activities in this phase.
Discuss the systems implementation and conversion process and the activities in this phase.
Discuss the systems operation and maintenance process and the activities in this phase.
Phase 2: Conceptual Systems Design
Phase 3: Physical Systems Design
Output design (e.g., reports)File and database design
Input design (e.g., forms, computer screen input)
Procedures designControl design22-4Slide5
Determine user needsCreate and document development plan
Write the computer code
Test the program
Document the programTrain usersInstall the system (including components and hardware)Use and modify the system22-5Slide6
Phase 4: Systems Implementation
Implementation planSelect and train personnel
Operations documentationUser documentationTesting the systemConversion22-6Slide7
Testing the System
Walk-throughsStep by step review
Processing test data
Test all valid transactions and error conditions
Acceptance testsUse copies of real data22-7Slide8
Terminates the old and begins with the new system
Operate old and new systems for a period of timePhase-in conversionGradual replacement of old elements with new system elementsPilot conversion
Implement a system in a part of an organization (e.g., a branch)
Phase 5: Operations and Maintenance
Conduct post-implementation review
Conceptual design specificationsConceptual systems design report
Systems Design, Implementation, and Operation - Description
Chapter 22 22 1 Learning Objectives Discuss the conceptual systems design process and the activities in this phase Discuss the physical systems design process and the activities in this phase ID: 725252 Download Presentation
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