Chapter 9: Managing Business Change Flashcards
What is the SDLC?
Software development life cycle
This is a standardised process of developing information systems or apps through the completion of defined steps or phases.
There are 9
What are the Standardised SDLC Approaches?
- Terms of Reference
- Feasibility Study
- Fact finding and recording
- Analysis
- Design
- System Spec
- Implementation and Review
- Use
- Close
How Does a Waterfall Model Work?
A model that cannot flow backwards and can only proceed to the next step when the prior one has been perfected. I.e. it flows back only to review and perfect.
How Does the Fountain Model Work?
Allows for phases of the lifecycle to occur simultaneously.
Must be perfected before moving on to ensure errors are not carried forward.
Drawbacks of Waterfall Methods?
- Owners dont know what they want.
- Difficulty estimating time and cost.
- Assumptions that model can be translated into real products
- Assumes division of labout, which isnt always the case.
What are Iterative/Incremental Models?
Scheduelin and staging a strategy in which the various parts of the system are developed. And thus intergrated when completed.
What is Prototyping?
Quickly putting together a working model in order to test various aspects of a design.
What is the Spiral Model?
Combines features of the prototyping model and waterfall model, of which is intended for large exepnsive and complicated products.
What is the Agile Model?
A model that minimises risk by deveoping a series of small packages of software in a short period of time.
What are the Critcisms of the Agile Model?
- Lack of formal documentation.
- The ultimate solution may drfit.
- Face to fac comms for large projects is difficult.
crouch…..bind……set
Roles to do with Agile Methodologies?
- Product owner
- Scrum master
- Team members
- Stakeholders
What is JAD?
Joint application development
What is RAD? Proto….
Rapid application development
Eid is the End
What is EUD and its the 6 Conditions?
End User Development
- May not be included in the BCP
- May not be fully tested
- May be forgotten about completely
- May not be included in the change control procedures
- May not be fully documented
- May become unsupportable of the creator leaves the firm
What are the 2 PRINCE2 Examinations?
- Foundation Exam
- Practioner Exam