System

Chapter 4

Name: aya refaat abdelhamed

ID: 1213202

Group: Wednesday from 8 to 10.

Match each of the key terms above with the definition that best fits it.

1. Business process reengineering.

2. Scribe.

3. Disruptive technologies.

4. Formal system.

5. Informal system.

6. Key business processes.

7. Closed-ended questions.

8. Open-ended questions.

9. JAD session leader.

Review questions:

1. Describe systems analysis and the major activities that occur during this phase of the systems development life cycle.

The As-Is system is the current system and may or may not be computerized.

The To-Be system is the new system that is based on updated requirements.

The system proposal is the key deliverable from the analysis phase.

The goal of the analysis phase is to truly understand the requirements of the new system and develop a system that addresses them, or advice a new system isn’t needed.

The system proposal is presented to the approval committee via a system walk-through.

Systems analysis incorporates initial systems design.

Requirements determination is the single most critical step of the entire SDLC.

Basic process of analysis is determining requirements.

2. What are some useful character traits for an analyst involved in requirements determination?

Analysts list important and interesting technologies.

Mangers list important and interesting technologies.

The group identifies how each might be applied to the business and how the business might benefit.

System analysts must also know how and when to use each as well as how to combine methods.

3. Describe three traditional techniques for collecting information during analysis. When might one be better than another?

Three techniques help users discover needs for the new system:

* Business process automation (BPA)

Understand the As-Is system:

Extensive information gathering.

Detailed process modeling.

Detailed data modeling.

Identify improvements:...