In word processing, an interface device which connects to a typewriter converting it into a low level word processor.
字（词）处理技术中采用的一种接口装置，当把它接到一台打字机上时，可以将它转变成一台低级文字处理器。
It's the formula for converting gallons into liters.
这是加仑与升的换算公式。
A device for converting energy form one form to another. In relation to computers, the term is applied to a read/write head, to detector of sector marks in a magnetic disc system, and to electronic/sonic pulse converters of delay line memory.
把能量从一种形式转换成另一种形式的装置。在与计算机有关时，这个术语用在磁盘系统中的读／写磁头、扇面标记的检测上，以及用在延迟线存储器的电子或声波脉冲变换器上。
