INFS2001 week13 Review STUDENT 21Oct08

INFS2001 week13 Review STUDENT 21Oct08 - Learning...

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INFS 2001 Business Information Systems Week 13 /Slide 1 Learning Objectives 1. Unit review – Bringing it all together 2. Exam format 3. Additional E-R example
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INFS 2001 Business Information Systems Week 13 /Slide 2 Understanding your information needs Modelling (different perspectives) Process DFD E-R Understanding transaction cycles (revenue, expenditure) Understanding controls Understanding data Inputs Outputs Implementation Make or buy Project management Bringing it all together - the IS lifecycle
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INFS 2001 Business Information Systems Week 13 /Slide 3 Process map CUST SALES DEPT BILLING SHIPPING Order goods Submit order Check credit Check inventory Pick & Ship goods Send invoice Prepare payment Credit OK? On Hand? Order Order Order credit checked Yes Order inventory checked Yes Invoice Shipping note No No Error Routine Error Routine
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INFS 2001 Business Information Systems Week 13 /Slide 4 Logical DFD Source: Considine, B. et al (2005) Accounting Information Systems, Wiley
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INFS 2001 Business Information Systems Week 13 /Slide 5 Entity-Relationship CUSTOMER PURCHASE ORDER LINE ITEM STOCK ITEM Places 1 M 1 1 M M
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INFS2001 week13 Review STUDENT 21Oct08 - Learning...

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