当8255A控制寄存器为16位地址号时,CPU对8255A输出控制字,应采用寄存器间接寻址的输出指令。
查看答案
756 the pilot requested to line up after the runway lights were dimed.[音频]
A. 对
B. 错
802 the flight crew wants to descend to reduce workload.[音频]
A. 对
B. 错
863 the aircraft skidded off the runway.[音频]
A. 对
B. 错
73 LHR is the destination of this flight.[音频]
A. 对
B. 错