| 释义 |
unit record device
单位记录设备
A device capable of (a) reading data from or punching data into cards, (b) printing data, or (c) simulating reading data from or punching data into cards. Examples: card I/O unit, 3211 printer, diskette I/O unit.
一种具有下列能力之一的设备： (1) 从卡片上读入数据或把数据穿孔到卡片上； (2) 打印数据； (3) 模拟从卡片上读入 数据或把数据穿孔到卡片上.例如卡片输入输出设备、3211打印机、软盘输入输出设备. |