A small memory unit used as a go-between for the input and output units and main memory. 一种小存储装置,在输入输出装置和主存储器之间用作媒介。
For instance, too little electricity, caused by a brownout or blackout, may cause the loss of data in primary storage. 例如,电压不足或断电引起的电流过小,可能造成主存储器中的数据丢失。