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Quick short answers. Briefly explain reasoning *What is change control process?

ID: 335346 • Letter: Q

Question

Quick short answers. Briefly explain reasoning

*What is change control process?

*What are the categories of system test and evaluation?

*What is a model? What are the different types of models? (Ch 7)

*What is the difference between risk and uncertainty?

*Different techniques of making decisions under risk, uncertainty, no risk or uncertainty, under risk and uncertainty.

*Why do we need to consider economic equivalence to evaluate alternatives (single and multiple)?

*What are the different economic equivalences that may be considered?

Explanation / Answer

Change control process:

1. Categorization of the Request: when the clients request to modify a certain things in the IT software. then this request is categorized and find something important then the next process is initiated.

2. pros and cons of the request: in this stage the benefits and the risk associated if introduce the change.If request accepted then the team is formed or else the clients are given reason.

3. Planning: the team need to plan before hand the design and how to imlement . also the alternative plan if the plan is not successful.

4. Designing the software by team and tested . ifit find successful then the Implementation date is decided.

5. Implementation; It implements the plan and invites the review of the owner, clients or suppliers

Q2. There are many system testing:

Agile testing, assessment testing, acceptance testing, age testing, active testing, alpha testing ,beta testing, backward compatability testing , compatability testing , comfort testing etc.

Q3. Models are representing the object or the study from ythe emperical evidences . it is created by the scholars or study to simplify the process or object.

Types of models:

1. physical models: this is real or can be touched . these are the iconic or analog which is made the similar to the image of the original.

2. Schematic models; these are used to simplify the study by showing the graphs, diagrams, drawings or charts.

Q4. In risk there is a possibility of the events happen in future where as in uncertainity it is not.

The risk can easily br measured but uncertainity cannot measured.

The risk could be negative or positive outome whee as uncertainity , there is a negetive outcome.

Example: Investment in project of not successful, then some amount of loss will happen . it is risk in investment where as in the Uncertainity , earthquake, 9/11 attack, Hurraicane happen.