試題1

For nearly  ten years,  the Unified Modeling Language  (UML) has been  the  industrystandard  for  visualizing,  specifying,  constructing,  and documenting  the（1） of  a software-intensive system. As the （2）standard modeling language, the UML facilitates communication and reduces confusion among project  （3） The recent standardization of UML 2.0 has  further extended  the  language's scope and viability.  Its  inherent expressiveness allows  users  to （4） everything  from  enterprise  information  systems  and  distributed Web-based applications to real-time embedded systems. The UML  is not  limited  to modeling software. In fact,  it  is expressive enough  to model （5） systems, such as workflow in the legal system, the structure and behavior of a patien healthcare system, software engineering in aircraft combat systems, and the design  of hardware. To understand the UML, you need to form a conceptual model of the language, and this requires learning three major elements: the UML's basic building blocks, the rules that dictate how  those  building  blocks may  be  put  together,  and  some  common mechanisms  that  apply throughout the UML.
（1）A、classes
B、components
C、sequences
D、artifacts
（2）A、real
B、legal
C、de facto
D、illegal
（3）A、investors
B、developers
C、designers
D、stakeholders
（4）A、model
B、code
C、test
D、modify
（5）A、non-hardware
B、non-software
C、hardware
D、software

查看答案

試題2

下面關(guān)于校驗(yàn)方法的敘述，  （ ）  是正確的。
A、采用奇偶校驗(yàn)可檢測數(shù)據(jù)傳輸過程中出現(xiàn)一位數(shù)據(jù)錯(cuò)誤的位置并加以糾正
B、采用海明校驗(yàn)可檢測數(shù)據(jù)傳輸過程中出現(xiàn)一位數(shù)據(jù)錯(cuò)誤的位置并加以糾正
C、采用海明校驗(yàn)，校驗(yàn)碼的長度和位置可隨機(jī)設(shè)定
D、采用 CRC 校驗(yàn)，需要將校驗(yàn)碼分散開并插入數(shù)據(jù)的指定位置中

查看答案

試題3

查看答案

試題4

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

查看答案

試題5

查看答案

試題6

我國著作權(quán)法中，（ ）系指同一概念。
A、出版權(quán)與版權(quán)
B、著作權(quán)與版權(quán)
C、作者權(quán)與專有權(quán)
D、發(fā)行權(quán)與版權(quán)

查看答案

試題7

查看答案

試題8

WebSQL is a SQL-like （1） language for extracting information from the web. Its capabilities for performing navigation of web （2） make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a （3） , all the pages that can be reached from a given URL through （4） that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common （5） Interface.
（1）A、query  
B、transaction  
C、communication  
D、programming
（2）A、browsers  
B、servers 
C、hypertexts  
D、clients
（3）A、hypertext  
B、page 
C、protocol  
D、operation
（4）A、paths 
B、chips  
C、tools  
D、directories
（5）A、Router  
B、Device 
C、Computer  
D、Gateway

查看答案

試題9

在移臂調(diào)度算法中，（ ）算法可能會(huì)隨時(shí)改變移動(dòng)臂的運(yùn)動(dòng)方向。
A、電梯調(diào)度和先來先服務(wù)
B、先來先服務(wù)和最短尋找時(shí)間優(yōu)先
C、單向掃描和先來先服務(wù)
D、電梯調(diào)度和最短尋找時(shí)間優(yōu)先

查看答案

試題10

若系統(tǒng)正在將（ ）文件修改的結(jié)果寫回磁盤時(shí)系統(tǒng)發(fā)生崩潰，則對系統(tǒng)的影響相對較大。
A、空閑塊
B、目錄
C、用戶數(shù)據(jù)
D、用戶程序

查看答案