試題1

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試題2

以下關(guān)于總線的敘述中，不正確的是（）
A．并行總線適合近距離高速數(shù)據(jù)傳輸．
B．串行總線適合長(zhǎng)距離數(shù)據(jù)傳輸
C．單總線結(jié)構(gòu)在一個(gè)總線上適應(yīng)不同種類(lèi)的設(shè)備，設(shè)計(jì)簡(jiǎn)單且性能很高
D.專(zhuān)用總線在設(shè)計(jì)上可以與連接設(shè)備實(shí)現(xiàn)最佳匹配

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試題3

利用動(dòng)態(tài)規(guī)劃方法求解每對(duì)結(jié)點(diǎn)之間的最短路徑問(wèn)題(all pairs shortest path problem)時(shí)，設(shè)有向圖G=<V,E>共有n個(gè)結(jié)點(diǎn)，結(jié)點(diǎn)編號(hào)1～n，設(shè)C是G的成本鄰接矩陣，用D^k(i,j)表示從i到j(luò)并且不經(jīng)過(guò)編號(hào)比k還大的結(jié)點(diǎn)的最短路徑的長(zhǎng)度（Dⁿ(i,j)即為圖G中結(jié)點(diǎn)i到j(luò)的最短路徑長(zhǎng)度），則求解該問(wèn)題的遞推關(guān)系式為（ ）。
A、D^k(i,j)=D^k-1(i,j)+C(i,j)
B、D^k(i,j)=min{D^k-1(i,j),D^k-1(i,j)+C(i,j)}
C、D^k (i,j)=D^k-1(i,k)+D^k-1(k,j)
D、D^k(i,j)=min{D^k-1(i,j),D^k-1(i,k)+D^k-1(k,j)}

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試題4

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試題5

在CPU中，（）不僅要保證指令的正確執(zhí)行，還要能夠處理異常事件。
A．運(yùn)算器
B．控制器
C．寄存器組
D．內(nèi)部總線

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試題6

設(shè)計(jì)模式具有 （ ） 的優(yōu)點(diǎn)。
A、適應(yīng)需求變化
B、程序易于理解
C、減少開(kāi)發(fā)過(guò)程中的代碼開(kāi)發(fā)工作量
D、簡(jiǎn)化軟件系統(tǒng)的設(shè)計(jì)

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試題7

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試題8

　SOCKS is a generic proxy protocol for ICP/IP-based networking , applications. SOCKS includes two （1）, the SOCKS server and the SOCKS client. The SOCKS server is implemented at the application layer. The SOCKS client is implemented between applications and the（2） layer. When an application client needs to connect to an application server, the client connects to a SOCKS proxy server. The proxy server connects to the application server instead of. the client, and （3）data between the client and the application server. For the application server, the proxy server is the （4） . SOCKS is also one of the popular （5）to network firewalls. Because of its simplicity and flexibility, SOCKS has been used as generic application proxy in virtual private network (VPN), and for extranet applications.
（1）A、elements 
B、components 
C、services 
D、ctients
（2）A、transport 
B、transmission 
C、network 
D、datalink
（3）A、relays 
B、replaces 
C、replays 
D、repeals
（4）A、workstation 
B、user 
C、customer 
D、client
（5）A、methods 
B、alternatives 
C、choices 
D、replacements 

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試題9

Object-oriented  analysis  (OOA)  is  a  semiformal  specification  technique  for  the object-oriented  paradigm.  Object-oriented  analysis  consists  of  three  steps.  The  first  step  is（1）.  It  determines  how  the  various  results  are  computed  by  the  product  and  presents  this information in the form of a  （2）  and associated scenarios. The second is  （3）  , which determines the classes and their attributes, then determines the interrelationships and interaction among the classes. The  last step is  （4）  ,  which determines  the  actions  performed  by or to each class or subclass and presents this information in the form of  （5）  .
（1）A、use-case modeling
B、class modeling
C、dynamic modeling
D、behavioral modeling
（2）A、collaboration diagram
B、sequence diagram
C、use-case diagram
D、activity diagram
（3）A、use-case modeling
B、class modeling
C、dynamic modeling
D、behavioral modeling
（4）A、use-case modeling
B、class modeling
C、dynamic modeling
D、behavioral modeling
（5）A、activity diagram
B、component diagram
C、sequence diagram
D、state diagram

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試題10

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