| 摘要 |
A computer system having a security function is provided to protect material and immaterial properties of investors by suppressing information outflow of the investors. A plurality of computer main bodies are installed at a safe place. A host MICB(Multimedia Internet Circuit Board) is installed in each of the computer main bodies and includes a connector for transmitting data necessary for a user monitor(20). A user MICB is installed in the inside of the user monitor or adjacently to the user monitor to receive the data from the host MICB installed in the computer main body. A checking unit(24) is installed in the host MICB and the user MICB to check periodically an adding state of hardware or a removing state of hardware in a main body side and a user side.
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