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Graphics Interchange Format  |  1995-10-03  |  13KB  |  753x573  |  4-bit (9 colors)
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OCR: Jacobson Use Case {Objectory} Example To Use Case Model Simpie ATM System Interaction Diagram Message (intra- -process) The Interaction diagram aids in the design of a system by Signal showing the secuence of events between objects (interprocess) This Interaction diagram graphically shows the execution of the "Withdraw Money use case User's ATM System border and Screen Keypad LIttle Man PIN List Cash Hopper Cash Store Enter PIN Customer types his PIN into the Read PIN Keypad of the ATM time Verify PIN ATM verifies PIN number 01 then p choices presents Read menu Present menu menu Customer Customer chooses Choose "Withdraw Read Withdraw option Choice Reques1 Transfer Transfer Cash Oper Hopper Door ATM dispenses Door Open Take Caen Simple Diaaram Messace svstem Sianal sequence hetween obiects ...