SophiaPretty

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    Strayer,Devery,Harvard University
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    WalMart
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Category > Computer Science Posted 20 Dec 2017 My Price 10.00

typical syntax errors commonly found in DFDs.

Please answer the questions show in the word file as soon as possible.

1.      Identify three typical syntax errors commonly found in DFDs.

2.      What are some problems associated with using packaged software? How can these problems be minimized?

3.      What is meant by customizing a software package?

4.      Create a context diagram and level 0 diagram for mortgage rate quote system. The main processes of are:  customers log into the system and enter information into the system.  After getting Customer Information (income, age, health); the system will evaluate customer risk based on actuarial Data, then it will generate mortgage rate quote, and return the quote to the customer.

5.      Define what is meant by a data flow in a process model. How should the data flow be named?

6.      Define what is meant by a data store in a process model. How should the data store be named?

7.      Explain the relationship between a DFD context diagram and the DFD level 0 diagram. Explain the relationship between a DFD level 0 diagram and a DFD level 1 diagram.

8.      Draw a level 0 (DFD) for the dentist office system in Exercise B.

Exercise B: “Create a set of use cases for the accompanying dentist office system, but do not bother to identify the steps withineach use case. (Just complete the information at the topof the use case form.) When new patients are seen for thefirst time, they complete a patient information form thatasks for their name, address, phone number, and briefmedical history, which are stored in the patient informationfile. When a patient calls to schedule a new appointmentor change an existing appointment, the receptionistchecks the appointment file for an available time. Oncea good time is found for the patient, the appointment isscheduled. If the patient is a new patient, an incompleteentry is made in the patient fi le; the full information willbe collected when the patient arrives for the appointment.Because appointments are oft en made far in advance, thereceptionist usually mails a reminder postcard to eachpatient 2 weeks before the appointment.”

 

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SophiaPretty
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Status NEW Posted 20 Dec 2017 12:12 PM My Price 10.00

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