Answer all the question.
Why is it important that a company follows the System Life Cycle when it decides to develop a new IT system?
Explain what happens during the ‘Definition’ stage.
Explain the purpose of a feasibility study.
List 3 things which would be included in the feasibility study.
Identify three possible solutions that the analyst might present to management after finishing the feasibility study.
If the decision is made to create a new system, the analyst will conduct an investigation into the current system. List four techniques they might use to find out how the current system works.
The analyst will create a number of diagrams to help analyse the requirements for the new system. Name the two types of these diagrams.
Explain what will happen during the ‘analysis’ phase.
Explain what will happen during the ‘design’ phase.
Explain what will happen during the ‘development’ phase.
Explain what will happen during the ‘testing’ phase.
Explain what will happen during the ‘implementation’ phase.
Explain what happens during the evaluation stage.
Explain what will happen during the ‘maintenance’ phase.
Match the maintenance terms with the correct definition:
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Type of maintenance needed to improve system performance. | arrow_right_alt | Corrective |
Type of maintenance where a change is needed to correct a serious error. | arrow_right_alt | Adaptive |
Type of maintenance where a change is needed in response to another change. | arrow_right_alt | Perfective |