问题:若SI=0053H,BP=0054H,执行SUBSI,BP后,则...
Monday, September 12, 2022
Wednesday, September 14, 2022
Wednesday, September 14, 2022
Wednesday, September 14, 2022
Monday, September 12, 2022
问题:8088CPU上READY信号为下面哪种信号有效?()A、上升边B、下降边C、高电平D、低电平...
Sunday, October 23, 2022
问题:8086CPU中负责与I/O端口交换数据的寄存器为()A、AX/ALB、BX/BLC、CX/CLD、DX/DL...
Sunday, April 2, 2023
Wednesday, September 14, 2022
Monday, September 12, 2022
Wednesday, September 14, 2022
问题:8253芯片有哪几个计数通道?每个计数通道可工作于哪几种工作方式?这些操作方式的主要特点是什么?...
Wednesday, June 14, 2023
问题:8086微处理器的寄存器中()是专用的源变址指针寄存器。...
Monday, September 12, 2022
Monday, September 12, 2022
Monday, September 12, 2022
问题:如果选用8片82C59A构成主-从式级联结构,最多可以实现多少级的中断管理?...
Tuesday, March 5, 2024
Monday, September 12, 2022
问题:微机硬件系统是指构成微机系统的(),微机软件系统是指()。软件系...
Wednesday, September 14, 2022
Monday, September 12, 2022
问题:根据总线在微机系统的位置分类为:片内总线、局部总线、系统总线和(...
Monday, September 12, 2022
问题:CPU与外设交换数据的传送方式可分为哪几种?试简要说明它们各自的...
Monday, September 12, 2022