1. D ATA F LOW D IAGRAMS CIS1107/1207 www.matthewxuereb.com/uni 1

2. A B ASIC DFD FOR A U NIVERSITY C OURSE R EGISTRATION S YSTEM [1/5] www.matthewxuereb.com/uni 2 Level 0 (Context Diagram)

3. A B ASIC DFD FOR A U NIVERSITY C OURSE R EGISTRATION S YSTEM [2/5] 3 www.matthewxuereb.com/uni Level 1

4. A B ASIC DFD FOR A U NIVERSITY C OURSE R EGISTRATION S YSTEM [3/5] 4 www.matthewxuereb.com/uni Level 2

5. A B ASIC DFD FOR A U NIVERSITY C OURSE R EGISTRATION S YSTEM [4/5] 5 www.matthewxuereb.com/uni Level 2

6. A B ASIC DFD FOR A U NIVERSITY C OURSE R EGISTRATION S YSTEM [5/5] 6 www.matthewxuereb.com/uni Process Application Validate Inputted Details University Course Registration System Super Imposed

7. E XAMPLE (T AKEN FROM 2005 PAST PAPER ) Draw up a DFD of a very simple Maltese car number plate registration system storing registered number plates on a database. Your system should offer the following functionality: Register (add) a number Retire (delete) a previously registered number Check number for validity Check numbers for uniqueness against a database of assigned numbers Confirm valid registration 7 www.matthewxuereb.com/uni You should decompose your DFDs to whatever level you deem necessary to produce PSPECs in any form of pseudo code you wish. All PSPECs must be shown.

8. E XAMPLE (T AKEN FROM 2005 PAST PAPER ) 8 www.matthewxuereb.com/uni Level 0 (Context Diagram)

9. E XAMPLE (T AKEN FROM 2005 PAST PAPER ) 9 www.matthewxuereb.com/uni Level 1

10. E XAMPLE (T AKEN FROM 2005 PAST PAPER ) 10 www.matthewxuereb.com/uni Level 2 Register Car

11. E XAMPLE (T AKEN FROM 2005 PAST PAPER ) 11 www.matthewxuereb.com/uni Level 2 Delete Car