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SOLUTIONS TO LOGIC DEFINITION EXAMPLES 1. PURCHASING DEPARTMENT R1 R2 R3 R4 R5 R6 R7 C1: AMOUNT .GE. 15 M N N Y Y Y Y Y C2: VENDOR IS ON THE LIST Y N - N Y Y Y C3: 3 OR MORE PROPOSALS FOR BIDS RECEIVED - - N Y Y Y Y C4: VENDOR HAS NO VIOLATIONS - - - - Y Y N C5: PROPOSAL IS COMPLETE - - - - Y N - A1: APPROVE PURCHASE X X A2: DO NOT APPROVE PURCHASE X X X A3: SEND FOR BIDDING X X X X X A4: POSTPONE PURCHASE X X TOPICS TO COVER Correspondence to a DFD Process : decide on purchase Inputs: conditions amount, proposal for bid (from external entity "vendor") vendor ID and vendor violations from data store "list of vendors" outputs: actions approved purchase disapproved purchase postponed purchase bid to external entity "vendor" 1 DESC 481-Dr. M. Buyukkurt
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2. PREMIUM AIRLINES R1 R2 R3 R4 R5 R6 C1: Mileage greater than or equal to 500 Y Y Y Y N N N N C2: Saturday Y N Y N Y N Y N C3: Number of flights 10 or more in a month Y Y N N Y Y N N A1: let points equal actual mileage X X X X A2: let points equal 500 X X X X
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