Large ICT systems can be used across multiple small organisations that carry out similar functions
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What do large ICT systems need
Large ICT systems within a single organisation or used by many small organisations need careful planning and management.
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Testing network systems - what are two aspects to testing network based systems
1. The effect of the new system on the running of the new network 2. The effect of the network structure on the running of the application.
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What are the two main forms of documentation
1. User 2. System
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What is user documentation
Designed to enable the users to operate the system. Can consist of procedure manuals that describe how to perform business tasks.
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What is system documentation
Produced for the programmers who will maintain the system. Will consist of structure and other diagrams, annotated program code and programs related to testing.
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What is maintenance
Involves making changes to the software and is a major part of the systems life cycle.
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What are 5 factors influencing the cost of maintenance
1. Skills of maintenance team members 2. Quality of documentation 3. Number of undiscovered errors 4. Number of users on a system 5. How well structured programs are
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What are the three types of maintenance
1. Corrective 2. Adaptive 3. Perfective
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What are the three types of conversion
1. Parallel 2. Direct 3. Pilot
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Other cards in this set
Card 2
Front
What do large ICT systems need
Back
Large ICT systems within a single organisation or used by many small organisations need careful planning and management.
Card 3
Front
Testing network systems - what are two aspects to testing network based systems
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