释义 |
input/output program communication blockI/O PCB /VS, a data communication program communication blockDCPCBprovided 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。 |