| 摘要 |
A background communication system is provided which is capable of transferring files in the background without the need to use a multithread OS. A LAN board and an external disk, which temporarily stores files received from a LAN and files to be transmitted to the LAN, are connected to a bus expansion slot of a personal computer, and this expansion slot is separate from that to which standard components for the personal computer are connected, whereby the LAN-related elements are separated in terms of hardware from the bus for controlling the personal computer. Network control means performs time-division multiplex control on the buses to permit background file transfer.
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