问题:设采用8251A进行串行异步传输,每帧信息对应1个起始位,7个数...
Monday, September 12, 2022
问题:指令MOVBX,DATA[BX]采用的寻址方式是()。A、立即寻址B、寄存器间接寻址C、直接寻址D、寄存器相对间接寻址...
Monday, November 27, 2023
问题:某正弦电气量的两个采样值为6和8,采样点间隔的电角度为90°,则...
Monday, September 12, 2022
问题:利用8259A对外中断进行管理时,只能管理8个中断源。...
Tuesday, September 12, 2023
问题:简述物理地址和逻辑地址的概念以及它们的关系?请举例说明用来形成物理地址的“段+偏移”机制。...
Friday, December 22, 2023
Monday, September 12, 2022
问题:WORD中某个文档基本页面是纵向的,如果其中某一项需要横向页面,则()。...
Thursday, February 22, 2024
Wednesday, March 22, 2023
Monday, September 12, 2022
问题:下列指令中属于双字节指令的是()。A、ADDA,@R0B、ANLA,@R2C、CJNEA,#80H,40HD、MOVA,30H...
Monday, April 24, 2023
Monday, September 12, 2022
Thursday, February 22, 2024
Monday, September 12, 2022
问题:在8259A特殊完全嵌套方式中,同级的中断可实现()。...
Monday, September 12, 2022
Friday, February 9, 2024
Monday, September 12, 2022
Monday, September 12, 2022