13 May EXPLAIN THE PROPOSED BUSINESS INFORMATION SYSTEM’S SCOPE.
Explain the proposed business information system’s scope. Please refer to Table 4-3 in the text
Develop a business information system plan. Please refer to Table 4-4 in the text.
Assess the business information system’s feasibility from the system analyst’s perspective by using the six categories of feasibility factors (economic, operational, technical, schedule, legal and contractual, and political feasibility) outlined in the text (pp. 90-98)
Develop a Project Scope Statement for the proposed business information system, refer to Figure 4-12 in the text. Include the following categories in the statement:
General Project Information,
Problem/Opportunity Statement,
Project Objectives,
Project Description,
Business Benefits,
Project Deliverables, and
Estimated Project Duration.
Diagrams
Develop a context-level data-flow diagram for the proposed system (use Fig. 6-5 in the text as a guide). You can use Microsoft PowerPoint to develop the data flow diagrams.
Develop a level-0 diagram for the proposed system (use Fig. 6-6 in the text as a guide).
Using the level-0 diagram that you previously constructed, select one of the level-0 processes and prepare a level-1 diagram (use Fig. 6-8 in the text as a guide).
Data Modeling
For the proposed business information system and the data flow diagrams developed previously, consider potential customer transactions. Provide a list of all the entities (like supplier, customer, etc.) for which system will need to store information.
Identify a set of attributes for each entity listed above (like customer name, supplier phone). See pp. 197-199 in the text.
Specify an identifier (like employee ID, supplier phone, etc.) for each entity and explain the rules you applied when you selected the identifier. See pp. 199-201 in the text.
Develop an entity-relationship diagram for entity relationships. Be sure to specify the cardinalities for each relationship (use Fig. 7-10 in the text as a guide). Remember, cardinality of a relationship is the number of instances of an entity that can be associated with each instance of another entity.
User Training and Maintenance
For a business analyst, it is also important to plan for training of all users of the system and develop a maintenance plan for the life of the system (use Table 10-5, and 10-6 in the text as a guide). Provide a brief suggested plan for user training.
For the proposed business information system, provide a brief plan for maintenance of the system (use Table 10-7 in the text as a guide).
To ensure readability, supply headings for each section of the body.
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