| 摘要 |
Such a device is necessary in an installation comprising fast working peripheral computers allowing to unload a central computer and having only one main memory. The device (5) comprises a searching circuit (6) allowing to detect which peripheral computer (41, 42, 43)... has asked to be connected to the single bus (3) to have access to the main memory (2) and a decision circuit (7) authorizing the peripheral computer to be connected to the bus (3) according to the utilization state of the bus (3) and giving the order to all other computers to disconnect from the bus when the access to the memory (2) is possible. Application: time sharing data processing and, particularly, telephony. |
