In this milestone we focus on using and constructing data flow diagrams DFDs and decomposition diagrams to perform process modeling. A decomposition diagram is a DFD planning tool that shows the top-down functional decomposition and structure of a system. Other events exist for basic data maintenance add records, delete records, etc. This system would provide the capability for employees to maintain their own information regarding address and telephone number changes, beneficiary changes, United Way deductions, and Savings Bond deductions. Merge event diagrams into a system data flow diagram. Use your data model from Milestones 3 and 4 as an attribute reference. SQL is run against database to generate report.
Add to collection s Add to saved. Problem Statement Matrix This form should be completed based on information from the case study introduction and the interview with Jack Mills. Cost of maintaining and operating current mainframe system excessive. More Prepared by Kevin C. Clean Technology Investment Programs. Add this document to saved. If you have not already drawn a Context Diagram in Milestone 2, draw one now based on the meeting transcript in Exhibit 2.
For all transaction processes described in the accompanying narrative, draw the Primitive Data Flow Diagram.
System displays option for kind of information to be displayed. SQL is run against database to generate report. Prepared by Gary B. You can add this document to your study collection s Sign in Available only to authorized users. P Data flow diagrams are tools that depict the flow of data through a system and the work or processing performed by that system.
Case Study 1 ESSS – Milestone 1 Solution_图文_百度文库
You can add this document to your saved list Sign in Available only to authorized users. The narrative only mentioned the priority of the project as a whole, six months. Some may provide general descriptions of problems while others may go to the extra effort of giving concrete examples.
The sample Stuvy we provide represents a more general description that the user conveyed. The employee enters search criteria for first or last name, department, location, job title, or supervisor. Process modeling – Chapter 9 2.
Other events exist for basic data maintenance add records, delete records, etc. Suggest us how to improve StudyLib For complaints, use another form. Jilestone to the students that this matrix is a living document. Your e-mail Input it if you want to receive answer. Often users will stress that everything is top priority.
For example, we have milrstone clients who have mentioned that they envisioned expected? The system will display the phone number, employee’s office location, department, job title, and supervisor.
Case Study ESSS
For background information on each use case, see the meeting transcript in Exhibit 3. The user clicks on detail link for an employee. Some students may have given more specific descriptions such as those found in the first column of the problem statement matrix.
For more information on each of these use cases, see the meeting transcripts in Exhibit 3. Finally you will construct a system data flow diagram that shows the big picture of the system, and a primitive data flow diagram for a single event process. Hardcopy telephone book, published quarterly, becomes quickly out of date. For complaints, use another form. Merge event diagrams into a system data flow diagram. Employees unable to quickly locate other employees, company mailings being sent to the wrong addresses, and payroll checks unable to be delivered.
It also stressed that Jack Mills expects the system to help solve the United Way and Savings Bond participation problem. During this milestone you will first construct a context diagram to establish project scope and boundaries.
This causes several problems, including employees being unable to quickly locate other employees, company mailings being sent to the wrong addresses, payroll checks that cannot be delivered, paper-based company telephone books that are out of date almost as soon as they are printed, and less than ideal United Way and Savings Bonds contributions.
Case Study ESSS
You might wolution to the students that oftentimes user expectations are simply stated in terms of a new system that works! The system displays all employees matching the criteria with links to detailed information for each employee. You now need to build the corresponding process models. Redundancy of keying employee information in both micro and mainframe.
But some users have very specific ideas or expectations.