单词 | input/output program communication block(I/O PCB) |
释义 | input/output program communication block(I/O PCB)In IMS/VS, a data communication program communication block (DCPCB) provided automatically to an application program that executes in a system with the DC feature. The I/O PCB is the mechanism by which a program obtains an input message from a terminal and returns a reply to the terminal that originated the input message.; 在虚存信息管理系统(IMS/VS)中,一种数据通信程序通信块(DCPCB),自动提供给在具 有数据通信功能的系统中运行的某个应用程序。I/O PCB是程序赖于从某一终端获得输入 信息并对发出输入信息的原发终端作出应答的一种机制。参阅alternate program communication block。 |
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