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軟件設計師每日一練試題（2021/7/31）

來源：信管網 2021年08月02日【所有評論】

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軟件設計師每日一練試題內容（2021/7/31）

試題1：裝飾器(Decorator)模式用于();外觀(Facade)模式用于()。
①將一個對象加以包裝以給客戶提供其希望的另外一個接口
②將一個對象加以包裝以提供一些額外的行為
③將一個對象加以包裝以控制對這個對象的訪問
④將一系列對象加以包裝以簡化其接口
B、A.①
B.②
C.③
D.④
D、A.①
B.②
C.③
D.④
試題解析與討論：m.xiexiliangjiufa.com/st/3934928768.html
試題參考答案：B、D

試題2：

以下關于增量開發(fā)模型的敘述中，不正確的是（）。
A．不必等到整個系統(tǒng)開發(fā)完成就可以使用
B．可以使用較早的增量構件作為原型，從而獲得稍后的增量構件需求
C．優(yōu)先級最高的服務先交付，這樣最重要的服務接受最多的測試
D．有利于進行好的模塊劃分

試題解析與討論：m.xiexiliangjiufa.com/st/2533214770.html
試題參考答案：D

試題3：

E-R模型向關系模型轉換時，三個實體之間多對多的聯(lián)系m:n:p應該轉換為一個獨立的關系模式，且該關系模式的關鍵字由（）組成。
A．多對多聯(lián)系的屬性
B．三個實體的關鍵字
C．任意一個實體的關鍵字
D．任意兩個實體的關鍵字

試題解析與討論：m.xiexiliangjiufa.com/st/247705679.html
試題參考答案：B

試題4：

函數main、f的定義如下所示。調用函數f時，第一個參數采用傳值(call by value)方式，第二個參數采用傳引用(call by referen)方式，則函數main執(zhí)行后輸出的值為（50）。

A．10
B．19
C．20
D．29
試題解析與討論：m.xiexiliangjiufa.com/st/395323491.html
試題參考答案：D

試題5：

以下關于軟件測試的敘述中，不正確的是（）。
A．在設計測試用例時應考慮輸入數據和預期輸出結果
B．軟件測試的目的是證明軟件的正確性
C．在設計測試用例時，應該包括合理的輸入條件
D．在設計測試用例時，應該包括不合理的輸入條件

試題解析與討論：m.xiexiliangjiufa.com/st/2863521167.html
試題參考答案：B

試題6：

下面關于二叉排序樹的敘述，錯誤的是（）。
A、對二叉排序樹進行中序遍歷，必定得到結點關鍵字的有序序列
B、依據關鍵字無序的序列建立二叉排序樹，也可能構造出單支樹
C、若構造二叉排序樹時進行平衡化處理，則根結點的左子樹結點數與右子樹結點數的差值一定不超過 1
D、若構造二叉排序樹時進行平衡化處理，則根結點的左子樹高度與右子樹高度的差值一定不超過 1

試題解析與討論：m.xiexiliangjiufa.com/st/81952822.html
試題參考答案：C

試題7：

Traditional structured analysis techniques focus upon the flow of （1）within a
system. Object-oriented analysis emphasizes the building of real-world models. It examines
requirements from the perspective of the classes and objects found in the vocabulary of
the（2）domain.
Traditional system design method emphasizes the proper and effective structure of a
complex system. Object-oriented design method encompasses the process of object-oriented
decomposition and a （3） for depicting both logical and physical as well as static and
dynamic models of the system under design.
Object-oriented programming is a method of implementation in which programs are organized
as cooperative collections of objects, each of which represents an （4）of some class, and whose　classes are all members of a hierarchy of classes united via （5） relationships.
（1）A、control
B、program
C、data
D、reference
（2）A、problem
B、solution
C、data
D、program
（3）A、mark
B、picture
C、symbol
D、notation
（4）A、instance
B、example
C、existence
D、implementation
（5）A、control
B、inheritance
C、inference
D、connection

試題解析與討論：m.xiexiliangjiufa.com/st/76622638.html
試題參考答案：C、A、D、A、B

試題8：甲、乙兩軟件公司于2012年7月12日就其財務軟件產品分別申請“用友”和“用有”商標注冊。兩財務軟件相似，甲第一次使用時間為2009年7月，乙第一次使用時間為2009年5月。此情形下， (11) 能獲準注冊。
A.“用友”
B.“用友”與“用有”都
C.“用有”
D.由甲、乙抽簽結果確定誰
試題解析與討論：m.xiexiliangjiufa.com/st/3803123890.html
試題參考答案：C

試題9：

Software entities are more complex for their size than perhaps any other humanconstruct, because no two parts are alike （at least above the statement level）. If they are, wemake the two similar parts into one, a（ 71 ）, open or closeD． In this respect software systemsdiffer profoundly from computers, buildings, or automobiles, where repeated elements abounD．
Digital computers . are themselves more complex than most things people build;they have very large numbers of states This makes conceiving, describing, and testing them harD． Software systems have orders of magnitude more（ 72 ）Likewise, a scaling-up of a software entity is not m erely a repetition of the same elementsm larger size; it is necessarily an mcrease in the number of different elements. In most cases, the elements interact with each other in some（ 73 ）fashion: and the complexity of the wholencreases much more than linearly.
The complexity of software is a（an）（ 74 ）property, not an accidental one Hencedescriptions of a software entity that abstract away its complexity often abstract away its essence.Mathematics and the physical sciences made great strides for threecenturies by constructingsimplified models of complex phenomena, deriving properties fiom the models, and verifyingthose properties experimentally. This worked because
the complexities（ 75 ） in the modelswere not the .essential properties of the phenomena: It does not work when the complexities are the essence.Many of the classical problems of developing software products derive from this essential complexi and its nonlinear uicreases with size. Not only .technical problems but management problems as well come from the coin plexity.
71：
A． task
B．job
C．subroitune
D．Program
72：
A．tstates
B．parts
C．conditions
D．Expressions
73：
A．linear
B; nonlinear
C．Parallel
D．Addititive74：
A surface
B． Outside
C．exterior
D．Essential
75：
A． fixed
B． Included
C．ignored
D．stabilized