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Graphics Interchange Format  |  1997-01-13  |  55KB  |  444x416  |  4-bit (15 colors)
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OCR: Bank Bank Waiting Validate PIN Request to send message PIN Status Waiting for Retrieve Balance Request response to validate PIN Check Funds Request ATM Control Balance Funds Status Waiting for response Bank to check funds ATM Waiting for Control response to retrieve balance Figure 11: State transition diagram for Bank Interface Class