有时,一旦把CPU使用其它外围设备所必需的总线逻辑和延迟时间考虑在内,那么快速而廉价的CPU也可能变得昂贵。
Sometimes a fast, inexpensive CPU can become expensive once bus logic and the delays necessary to make it work with other peripherals are considered.
通用串行总线是外围设备与计算机进行连接的新型接口,是计算机外设连接技术的重大变革。
USB, namely Universal Serial Bus, is a novel interface connecting computer and peripheral equipments and is a great innovation in the connecting techniques of the peripheral equipments of computers.
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