A device which reads data from punched cards and sends them to the computer. 從穿孔卡片上讀出數據送入計算機的一種裝置。
Constructing a program so that the time required to obtain both data and instruc tions out of memory is at a minimum. 使編寫的程序從存儲器讀出數據和指令所花的時間最少的一種構造程序的方法。