A small and relatively slow characteratatime printer (usually a typewriter) connected to the computer which prints out operational messages during a run.; 一種連接到計(jì)算機(jī)上的小且速度較慢的字符打印機(jī)(通常是打字機(jī)),用來(lái)打印輸出運(yùn)行 期間的操作信息。