NOTE10-자료중심설계

NOTE10-자료중심설계

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Unformatted text preview: 11. (Data Flow Oriented Design) 2. n (DFD) , (structure chart) . n . (calling) (called) . A C B [ 3.2] 3. n (structure chart) , , , n , (off-page connector) . n , (data flow) (control flow) . A B C D E F f l a g d 1 d 2 d 3 d 4 d 5 d 6 [ 3.3] 4. n (transform flow): (input) (output) . . n (transaction flow): . . 5. (Transform Flow-Oriented Design) n n . n 3 . u (incoming flow): . u (transform center): . . u (outgoing flow): . (Produce outputs) (Transform Inputs) (Get inputs) (Refined inputs) (Raw inputs) (outputs) (results) [ 3.4] n 1 : . n 2 : . n 3 : . u (raw data) . < > ( ) [ 3.5] u . . u . < > ( ) n 4: u (first level factoring) u , . u . . ( ) n 3 u u u [ 3.7] (Overall control) ) (Input control) (Transform control) (Output control) ( ) [ 3.8] ' ' Display no drink Check & update s tatus Accept coins No Drink m sg No Drink Coin Status ok Check Status choice choice Drink status Coin box New balance Drink code Check balance price Less amount balance ok Returned coins Drink ok Return coin req...
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This note was uploaded on 11/15/2011 for the course ECON 101 taught by Professor David during the Spring '11 term at Kwansei Gakuin University.

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NOTE10-자료중심설계

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