Computer System, Computer Science, Hardware.
either 4 bytes (32 bits) or 8 bytes (64 bits). For the sake of our discussion here, we will assume a word size of 4 bytes, and we will assume that buses transfer only one word at a time. 贯穿整个系统的一组电子管道，携带信息字节并负责在各个部件间传递。通常以定长的字节块（即word，字）为单位传输数据。 I/O Devices 输入/输出设备 Input/output (I/O) devices are