| 单词 | symbolic input /output assignment |
| 释义 | symbolic input /output assignmentA means by which problem programs can refer to an I /O device by a symbolic name. Before a program is executed, job control can be used to assign a specific I /O device to that symbolic name.; 使问题程序能通过符号名来引用输入输出设备的一种方法。在程序执行以前,使作业控制 能为此符号名分配指定的输入输出设备。 |
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