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 theseproblems be minimized?3.What is meant by customizing a software package?4.Create a context diagram and level 0 diagram formortgagerate quote system. Themain processes ofare:customers log into the system and enter information intothe system.After getting Customer Information (income, age, health); the systemwill evaluate customer risk based on actuarial Data, then it willgeneratemortgagerate 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 flowbe named?6.Define what is meant by a data store in a process model. How should the datastore be named?7.Explain the relationship between a DFD context diagram and the DFD level 0diagram. Explain the relationship between a DFD level 0 diagram and a DFDlevel 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 oFce system,but do not bother to identify the steps within each use case. (Just complete theinformation at the top of the use case form.) When new patients are seen for the±rst time, they complete a patient information form that asks for their name,address, phone number, and brief medical history, which are stored in the patientinformation ±le. When a patient calls to schedule a new appointment or change anexisting appointment, the receptionist checks the appointment ±le for an availabletime. Once a good time is found for the patient, the appointment is scheduled. Ifthe patient is a new patient, an incomplete entry is made in the patient ± le; thefull information will be collected when the patient arrives for the appointment.Because appointments are oft en made far in advance, the receptionist usuallymails a reminder postcard to each patient 2 weeks before the appointment.”

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