| 摘要 |
PROBLEM TO BE SOLVED: To provide a computer system where it is difficult to illegally read and rewrite data or to destroy data by directly accessing a computer provided with a storage part storing data from a computer network-side. SOLUTION: In the computer system provided with a first computer and a second computer connected to a computer network, a storage part, a data recording part and a recording medium transportation device are connected to the first computer and a data reproduction part is connected to the second computer. The first computer performs control for recording data stored in the storage part into a recording medium by the data recording part and transporting the recording medium to the data reproduction part from the data recording part by the recording medium transportation device. The second computer performs control for reproducing data recorded in the recording medium by the data reproduction part and transmitting reproduced data through the computer network.
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