The amount of space, desktop or floor, needed by a computer system or peripheral. Systems and peripherals with smaller footprints have the advantage of leaving more room available for other things.
计算机系统或外设在地板或台上所需要占用的空间面积。具有较小占地面积的系统和外设，其优点是可留出更多的空间留做其它用途。
The central processing unit of a computer exclusive of peripheral and remote devices.
主机计算机除了外部和分离的装置以外的中心运作部件
An interface unit or circuitry that converts data to and from the representation used by a particular peripheral device or class of peripheral devices; for example, a device that converts between bit serial and bit parallel and resolves differences in tra
一种接口部件或电路，用来把数据转换成某种特殊的外围设备上的表示或某类外围设备上的表示或把此种表示转换成数据。例如，一台在串行位和并行位之间作转换且解决传输速度差别的设备。
