Systems Implementation
But there are also disadvantages...
Activity:Implementing a new computer system
The implementation of the new system occurs when the old system is replaced by the new one.
There are Four ways of implementing a new system:
There are Four ways of implementing a new system:
Direct Changeover
This is has its advantages...
- Takes the minimal time and effort
- The new system is up and running immediately
- If the new system fails, there is no back-up system, so data can be lost
Parallel Running
This is has its advantages...
- If anything goes wrong with the new system, the old system will act as a back-up.
- The outputs from the old and new systems can be compared to check that the new system is running correctly
But there are also disadvantages...
- Entering data into two systems, and running two systems together, takes a lot of extra time and effort.
Phased Implementation
This is has its advantages...
- Allows users to gradually get used to the new system
- Staff training can be done in stages
But there are also disadvantages...
- If a part of the new system fails, there is no back-up system, so data can be lost.
Pilot Running
This is has its advantages...
- All features of the new system can be fully trialed
- If something goes wrong with the new system, only a small part of the organization is affected
- The staff who were part of the pilot scheme can help train other staff.
But there are also disadvantages...
- For the office / department doing the pilot, there is no back-up system if things go wrong.
Activity:Implementing a new computer system
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