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At approximately 8:30 each morning, the Order Entry department receives all new sales order forms. These forms include orders received both by mail and over the phone. Order Entry enters and edits all orders on personal computers, creating a batch of orders on a network file server.1.1 What are the limitations of the English language for describing a design to programmers who must implement that design? 1.2 Are there any errors of omission in the narrative description – that is, important questions or processes that were not covered? 1.3 How do I draw a physical data flow diagram for this case?.1.4 How can I draw a system flowchart for this case. 2UNISA registrar maintains data about the following entities:(a)courses, including number, title, credits, syllabus, and prerequisites; (b) course offerings, including course number, year, semester, section number, instructor(s),timings, and classroom; (c) students, including student-id, name, and program; and(d) instructors, including identification number, name, department, and title. Further, the enrollment of students in courses and grades awarded to students in each course they are enrolled for must be appropriately modeled.2.1 How do i construct an E-R diagram for the registrar’s of UNISA?. Document all assumptions that you make about the mapping constraints.3Sand and Surf Retailers recently acquired several smaller companies to expand its chain of clothing outlets. To establish consistency for the current organization and future acquisitions, Sand and Surf decided to develop an in-house application called SPS (Standard Purchasing System). The SPS system would standardize purchasing practices for each Sand and Surf subsidiary and manage all purchasing information. System testing will be completed by the end of the week.3.1 Using the theory and practical examples describe the four types of documentation. 3.2 What type(s) of documentation would you recommend for this application and why?3.3 During application development, what steps should the IT staff follow to develop a structure chart? (4)

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