| 摘要 |
PURPOSE:To display the same result at all terminals by starting and executing the same application program contained in an information processing means of each terminal with respect to the command input given from an optional terminal without changing an existing application program. CONSTITUTION:A command information exchange means 141 of a center device 104 sends the command received from the optional one of commend input means 111, 121 and 131 to each of information processing means 112, 122 and 132 which are connected to the device 104. These means 112-132 carry out the same application program based on the received commend information and send the display signals to the display means 113, 123 and 133 of their own terminals. Thus each terminal can carry out independently the same application program based on the commend information given from the optional one of those terminals. Then all terminal can refer to the same execution result.
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