皮皮学，免费搜题
登录
搜题
【单选题】
一某中断系统中，每抽取一个输入数据就要中断CPU一次，中断处理程序接收取样的数据，并将其保存到主存缓冲区内，该中断处理需要X秒。另一方面，缓冲区内每存储N个数据，主程序就将其取出进行处理，这种处理需要Y秒。因此，该系统可以每秒跟踪(54)次中断请求。A.
N/(NX+Y)
B.
N/(X+Y)N
C.
MIN [1/X,1/Y]
D.
MAX[1/X.1/Y]
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Finding her car stolen,__________.A．a policeman was asked to help.B．the area was searched thoroug
A.
28．Finding her car stolen,__________. A．a policeman was asked to help.
B.
the area was searched thoroughly
C.
it was looked for everywhere
D.
Mrs Green reported it to the police
【简答题】听短文，对话和问题，选择正确答案。 1. How did the murderer get away? [ ] A. By car B. By truck C. By train 2. How old is John Smith? [ ] A. About 19 B. About 28 C. About 29 3. How did Henry find his seat? [ ...
【单选题】Finding her car stolen, _____.
A.
a policeman was asked to help
B.
the area was searched thoroughly
C.
it was looked for everywhere
D.
she hurried to a policeman for help
【简答题】接待“三声”是指()A. A:来有迎声; B. B:问有答声 ; C. C:去有送声; D. D:见有笑声;
【判断题】国民经济账户遵循如下记账原则:收入、负债变动,包括负债增加和负债减少,以及负债存量项目,计入丁字账户的使用方;支出、资产变动,包括资产增加和减少,以及资产存量项目,计入丁字账户的来源方。( )
A.
正确
B.
错误
【单选题】下列关于Maxam及Gilbert的DNA序列分析法原理的叙述,错误的是( )
A.
将DNA片段的单链末端用放射性32P标记
B.
用不同的化学试剂分别裂解四种不同的脱氧核糖核苷酸
C.
用PAGE凝胶电泳将DNA裂解片段按分子大小分离开
D.
以合成的寡核苷酸与探针杂交
E.
利用放射自显影,读出DNA的核苷酸序列
相关题目：
参考解析：
知识点：
题目纠错 0
发布
