System Analysis

poynton
Flashcards by poynton, updated more than 1 year ago
poynton
Created by poynton over 4 years ago
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System analysis revision cards
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System Analysis Theory Notes
Analysis -Examining out how the present system works and identifying problems with it -Identifying the Inputs, Outputs and Processes -Identifying Problems -New System Requirements Specification -What Hardware and Software Will Be Required?
Design Coming up with a new system that will fix the present systems problems -Designing the System Inputs -Choosing the Best Data Capture and Data Input Methods for the System -Designing On-Screen Forms for Data Input -Data Validation Techniques -Data Verification Techniques -Designing the System Processes -Designing the System Outputs
Testing/Documentation Checking if the newly created system works as expected Creating documents that describe how to use the new systems, and how it works -Selecting Test Data -When is the System Tested? -What Happens if the System Fails Some Tests?
Implementation Replacing the present system with the new system -Direct Changeover -Parallel Running -Phased Implementation -Pilot Running -
Evaluation Checking that the new system meets all expectations -What Does an Evaluation Look For? -How is a System Evaluated? -What Happens Next?
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