| 摘要 |
PURPOSE:To prevent incorrect transaction in advance, by storing a code not in use to either one of a recording medium of a file in a center when said medium is issued. CONSTITUTION:A transaction processor consists of a control center 1, a transaction terminal 2 connected to the center 1 in on-line, a console 3 and a window processor 4. The center 1 is provided with a central processing unit 10, a memory 11, a customer information file 12, a transaction file 13, a communication controller 14 and an MODEM 15. In the processing of transaction data, the central processing unit 10 performs assignment of secret number, discrimination of propriety of transaction, transaction operation processing, rewrite of customer information file 12, and write of transaction data to the file 13. The file 12 is stored with data relating customers such as account number, code not in use, secret number and balance. |
