| 单词 | program communication block (PCB) |
| 释义 | program communication block (PCB)In IMS/VS, a control block that describes an application program′s interface to an IMS/VS data base or, for message processing and batch message processing programs, to the source and destination of messages. PCBs are defined by the user during PCB generation.; 在虚拟存储信息管理系统(IMS/VS)中的一种控制块,它描述 应用程序与IMS/VS数据库的接口,或者对信息［报文］处理和成批信息［报文］处理程序 来说,它是描述与信息［报文］源点和目的地的接口。PCB由用户在PCB生成期间定义。 参阅data base program communication block, data communication program communication block, express alternate program communication block, input/output program communication block, response alternate program communication block。 |
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