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CASE- , , , .
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CASE- , / , .
CASE- :
(DFD data flow diagrams) ;
"-" (ERD entity relationship diagrams), (. . 15);
(STD state transition diagrams), .
DFD , () , ( ).
, , . DFD (. . 18).
( ) .
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CASE- , . , CASE-, , , .
CASE- "" . 85 - 90% , , , .