1372316
Description
Mind Map by OsamaBinSwaggins, updated more than 1 year ago
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Created by OsamaBinSwaggins
over 9 years ago
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Maintenance and Changeover Jake,
James, Patrick
- Maintenance
- Stage 1
- Corrective Maintenance
- Errors will be found and
corrected using corrective
maintenance
- Correct errors
missed by
testing
- Fixes anything that
should be running but
isn't
- Errors will be found and
corrected using corrective
maintenance
- Stage 2
- Perfective Maintenance
- Perfecting the
system even though
it's already
satisfactory
- Software is
altered to
improve
performance
- Perfecting the
system even though
it's already
satisfactory
- Stage 3
- Adaptive Maintenance
- The system may need to
adapt to new changes
within the organisation
- Government Legislation changes
- New better
hardware
becomes
available
- The system may need to
adapt to new changes
within the organisation
- Adaptive Maintenance
- Perfective Maintenance
- Corrective Maintenance
- Stage 1
- Changeover
- Pilot
- Advantages
- Can be run in real phases
so errors can be spotted
- Staff can be trained on rolling program
- Major fault will only affect one
branch of the buisiness
- Can be run in real phases
so errors can be spotted
- Disadvantages
- Major fault and the branch will be temporarily crippled
- Organising rolling training could be dificult
- Major fault and the branch will be temporarily crippled
- Advantages
- Direct
- Advantages
- Allows for a quick change over to the new system
- Allows for a quick change over to the new system
- Disadvantages
- Staff will need to be trained to use the whole program
- If there is a fault
- Staff will need to be trained to use the whole program
- Advantages
- Phased
- Advantages
- Allows for some testing of the
new system to be done
- Staff training can be done in chunks
- Allows for some testing of the
new system to be done
- Advantages
- Parrallel
- Advantages
- Allows for the programs to be compared
as they are run simultaneously
- Safe option
- Allows for the programs to be compared
as they are run simultaneously
- Disadvantages
- Expensive
- Need to enter data twice
- More storage and proccessing
- Expensive
- Advantages
- Pilot
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