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Design, Implementation and Testing (System Design (hardware and software,…
Design, Implementation and Testing
System Design
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data, file structure, fields and table
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Changeover methods
Parallel
There is a backup system if it fails, Expensive as more staff needed
Phased
Can gradually get used to new system, Slower to get it running
Direct
Fast, Can be difficult to adapt to the instant change
Pilot
All features can be fully trialled, There is no backup