[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fgEh-OmV2Jm8QGdQ3Pfxmn03fmImi8gM3JBZ-dR8omp0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":15,"related":16,"source":25,"type":26},[],"2023-12-03 10:52:12",110324543,[8,9,10],"硬件自动","进栈指令和转移指令","访存指令",{"courseId":12,"courseImg":13,"courseName":14},"8fe9e19c962bbb03412c10113d69b6d5","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03d4752bd84501655fc67f236fb87ebc.jpg","计算机组成原理","中断发生时,程序计数器内容的保护和更新,是由 完成的",[17,27,35,43,46,54,62,70,77,82],{"answer":18,"createTime":5,"id":19,"options":20,"question":24,"source":25,"type":26},[],110324538,[21,22,23],"数据寄存器","移位寄存器","锁存器","在数据传送过程中,数据由串行变并行或由并行变串行,这种转换是通过接口电路中的 实现的","v1",0,{"answer":28,"createTime":5,"id":29,"options":30,"question":34,"source":25,"type":26},[],110324539,[31,32,33],"程序查询方式","中断方式","DMA方式","主机与设备传送数据时,采用 ,主机与设备是串行工作的",{"answer":36,"createTime":5,"id":37,"options":38,"question":42,"source":25,"type":26},[],110324541,[39,40,41],"产生存储周期窃取","在键盘输入过程中,每按一次键","两数相加结果为零","下述 种情况会提出中断申请",{"answer":44,"createTime":5,"id":6,"options":45,"question":15,"source":25,"type":26},[],[8,9,10],{"answer":47,"createTime":5,"id":48,"options":49,"question":53,"source":25,"type":26},[],110324545,[50,51,52],"子程序的入口地址","中断服务程序的入口地址","中断服务程序的入口地址的地址","中断向量地址是",{"answer":55,"createTime":5,"id":56,"options":57,"question":61,"source":25,"type":26},[],110324547,[58,59,60],"一个指令周期","一个机器周期","一个存储周期","采用DMA方式传送数据时,每传送一个数据要占用 的时间",{"answer":63,"createTime":5,"id":64,"options":65,"question":69,"source":25,"type":26},[],110324548,[66,67,68],"直接存储器存取方式的输入输出","直接程序传送方式的输入输出","程序中断方式的输入输出","周期挪用(窃取)方式常用于 中",{"answer":71,"createTime":5,"id":72,"options":73,"question":33,"source":25,"type":26},[],110324550,[74,75,76],"既然能用于高速外围设备的信息传送,也就能代替中断方式","不能取代中断方式","也能向CPU请求中断处理数据传送",{"answer":78,"createTime":5,"id":79,"options":80,"question":81,"source":25,"type":26},[],110324552,[31,32,33],"当采用 输入操作情况下,除非计算机等待,否则无法传送数据给计算机",{"answer":83,"createTime":5,"id":84,"options":85,"question":89,"source":25,"type":26},[],110324554,[86,87,88],"统一编址就是将I\u002FO地址看做是存储器地址的一部分,可用专门的I\u002FO指令对设备进行访问","不统一编址是指I\u002FO地址看做是存储器地址分开,所以对I\u002FO访问必须有专门的I\u002FO指令","统一编址是指I\u002FO地址看做是存储器地址分开,所以可用访存指令实现CPU对设备的访问","I\u002FO编址方式通常可分统一编址和不统一编址"]