摘要:
Preparation 0. how was you day. I spent most of the time in library studying today.I am busy with my thesis oral defense. 1.do you like to eat in a restaurant? Why or why not? I like to eat in a resta... 阅读全文
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由于外部事件的发生常常是以一个中断申请信号的形式来通知处理器,然后才运行中断服务程序中来处理该事件,所以中断延时是影响系统实时性的一个重要因素。那么都有哪些问题影响中断延时呢? 一般情况下,都认为处理器是随时可以响应中断申请的。其实并非如此,首先在处理器关闭中断时不能响应中断申请;另外处理器在正在执行一条指令时也不能响应中断申请。因此,当某个事件向处理器发出中断请求时,处理器可能正在执行另外一... 阅读全文
摘要:
24号恩京英语对话:Hello, Good afternoon, may I speak to Mr benjanmin please.So, How was your day.What is your major.Are you ready now for today's lesson.What's your school.Do you like your school.Do you live ... 阅读全文