Zusammenfassung der Ressource
SDLC Exam Question
- Feasibility
- Possible results
- Is it cost effective? This would
drastically change how the
management would consider
the new system since if they
are going to lose money it will
be detrimental to the buisness
- Is it able to be completed in the specific time? This
is because the management may have an idea on
when it is meant to be created by and if it cannot fit
into the deadline then it may be too expansive.
- Is the completed system going to improve
the efficiency of the system, the feasibility
study will check whether it will be a worth
while increase in efficiency to pay for.
- Is it Economically feasible? Will the system
fit within the budget they have
set?
- Analysis
- Comparing
- Individual Analysts
- Saves money and work space because there is only one person
- Increases the workload for the analyst because
they are doing it alone, this could lead to
rushed work and so innaccuracies or people
cutting corners
- Team Of Analyists
- This will cost more since they are paying
for a whole team to analyse their system
- It will be faster
- It will be more detailed
- More minds will
produce more ideas
allowing greater
variety
- Documentation After Analysis
- Input requirements/
Processing requirements/
Output requirements Storage/
requirements Hardware/
requirements Software/
requirements It is agreed by
the client and analyst.
- Investigation
- What processing the system does
- What documents are involved (forms for entry, invoices, reports etc.)
- What data is stored, input processed and output
- Data flows – who sends and receives messages and documents and when
- Problems experienced by the users e.g. delays
- Design Documentation
- Outlines: Input Design and Outputs
- Algorithms
- Data Structure
- Data Flow Diagrams
- Entity Relationship Diagram