【判断题】【消耗次数:1】
在任何程序执行过程中,只要遇到软件中断指令,总是到中断向量表中去取中断服务子程序的入口地址,然后执行中断服务子程序。
正确
错误
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相关题目
【简答题】 简述程序中断方式的中断服务子程序执行过程。
【判断题】 每一个中断服务程序的入口地址占用中断向量表的2个地址。
①  正确
②  错误
【单选题】 8086/8088中断是向量中断,其中断服务程序的入口地址是提供。
①  外设中断源
②  CPU中断逻辑电路
③  从中断控制器读回中断类型号左移2位
④  由中断类型号指向的中断向量表中读回
【单选题】 已知中断类型码为18H,则中断服务程序入口地址存放在中断向量表的③。
①  0000H:0072H~0000H:0075H
②  0000H:0072H~0000H:0073H
③  0000H:0060H~0000H:0063H
④  0000H:0060H~0000H:0061H
【判断题】 中断服务程序的入口地址称为中断向量。每个中断向量占个字节,其中,两个低字节存放中断服务程序的,两个高字节存放中断服务程序的4偏移地址段地址。
①  正确
②  错误
【判断题】 中断向量表中存储的是所有中断服务程序的类型码。错
①  正确
②  错误
【单选题】 PC机中确定硬中断服务程序的入口地址是()。
①  主程序中的调用指令
②  主程序中的转移指令
③  中断控制器发出的类型码
④  中断控制器中的中断服务寄存器(ISR)
【单选题】 8051单片机的中断系统中,中断服务子程序的最后一条指令必须是。
①  SJMP06H
②  RET
③  RETI
④  LJMP1000H
【判断题】 STL指令可以应用于中断程序及子程序中。
①  正确
②  错误
【简答题】 中断处理过程包括关中断、保护现场、执行中断服务程序、[填空1]和开中断阶段
随机题目
【单选题】 The farmer said all their hopes _____ the support of the local government.
①  decided on
②  rested on
③  based on
④  founded on
【单选题】 The millions of calculations involved, ____ by hand, would have lost all practical value by the time they were finished.
①  had they been done
②  they had been done
③  having been done
④  they were done
【单选题】 Once our chickens started laying eggs, we had such a ____ of eggs that we were giving many away to our neighbors.
①  output
②  surplus
③  production
④  plenty
【单选题】 Most importantly, such an experience helps ____ a heightened sensitivity to other cultures and will bring about a greater appreciation of one’s own culture as well.
①  coach
②  forsake
③  foster
④  censor
【单选题】 She didn’ t come to the party last Sunday._____, she must have made the party more exciting.
①  If she came
②  Would she come
③  Had she come Did she come
【单选题】 Some companies have introduced flexible working time with less emphasis on pressure ____.
①  than more on efficiency
②  and more on efficiency
③  and more efficiency
④  than efficiency
【单选题】 Tom ____ his new job with confidence.
①  set out
②  set off
③  set up
④  set about
【单选题】 In some cases, your instructor may tell you the topics ____ or may give you a choice of topics to write about.
①  in advance
②  ahead of
③  above al
④  right away
【单选题】 Nancy was surprised that they have ____. They seemed to be a happy couple.
①  split up
②  broken down
③  fallen through
④  knocked out
【单选题】 — Whichsongdoyoulikebetter,Lucy?— IpreferthesongLittleApple ______ canattractmanypeople.
①  which
②  who
③  whom
④  where