program access (PA) key

1. On a display device keyboard, a key that produces a call to a program that performs display operations.; 显示设备键盘上产生调用显示操作程序的一种按键。 参阅program function (PF) key。 2. In 3270 applications, a type of program attention key that may be defined to solicit application program attention without requiring that input data be transmitted to the program. Only the attention identification (AID) character is transmitted to the program to identify the key that was pressed. | 在IBM信息显示系统3270应用程序中,一种类型的程序注意键。它可以被定义为请求应用程序注意 而不必向程序输入数据,仅有注意标识符(AID)字符传送给程序,以识别该键被按下。