試題1

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試題2

由權值為9，2，5，7的四個葉子構造一棵哈夫曼樹，該樹的帶權路徑長度為（ ） 。
A、23
B、37
C、44
D、46

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試題3

最主要的軟件質量度量指標有正確性、可維護性、完整性和可用性，下面關于這些質量指標的描述中正確的是（ ）。
A、軟件維護的工作量比開發(fā)階段的工作量小  
B、正確性用每千行代碼的故障(fault)數(shù)來度量  
C、軟件完整性是指軟件功能與需求符合的程度  
D、可用性與用戶的操作效率和用戶對軟件的主觀評價有關

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試題4

設某程序中定義了全局整型變量x和r，且函數(shù)f()的定義如下所示，則在語句“x = r*r +1 ;”中 （ ） 。
int f(int r)
{  int x;
x = r*r +1 ;
return x;
}
A、x和r均是全局變量
B、x是全局變量、r是形式參數(shù)
C、x是局部變量、r是形式參數(shù)
D、x是局部變量、r是全局變量

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試題5

對于如下的程序流程，當采用語句覆蓋法設計測試案例時，至少需要設計（ ）個測試案例。
 
A、1  
B、2  
C、3  
D、4

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試題6

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試題7

there is nothing in this world constant but inconstancy.-SWIFT
Project after project designs a set of algorithms and then plunges intoconstruction of customer-deliverable software on a schedule that demands delivery of the first thing built.
In most projects, the first system built is (1) usable. It may be too slow, too big , awkward to use, or all three. There is no (2 ) but to start again, smarting but smarter and build a redesigned version in which these problems are solved. The discard and (3) may be done in one lump, or it may be done piece-by-piece. But all large-system experience shows that it will be done. Where a new system concept or new technology is used, one has to build a syste m to throw away, for even the best
planning is not so omniscient (全知的) as to get it fight the first time.
the management question, therefore, is not whether to build a pilot system and throw it away. You will do that. The only question is whether to plan in advance to build a (4).or to promise to deliver the throwaway to customers. Seen this way, the answer is much clearer. Delivering that throwaway to customers buys time, but it does so only at the (5) of agony (極大痛苦) for the user, distraction for the builders while they do the redesign, and a bad..reputation for the product that the best redesign will find hard to live down.
Henceplanto throw one away; you will,anyhow.
The management question, therefore, is not whether to build a pilot system and throw it away. You will do that. The only question is whether to plan in advance to build a throwaway, or to promise to deliver the throwaway to customers. Seen this way, the answer is much clearer. Delivering that throwaway to customers buys time, but it does so only at the cost of agony for the user, distraction for the builders while they do the redesign, and a bad reputation for the product that the best redesign will find hard to live down.
(1)A.almost
B.often
C.usually
D.barely
(2)A.alternative
B.need
C.possibility
D.solution
(3)A.design
B.redesign
C.plan
D.build
(4) A.throwaway
B.system
C.software
D.product
(5) A.worth
B. value
C. cost
D. invaluable

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試題8

在面向對象技術中，類屬是一種（1）機制。一個類　屬類是關于一組類的一個特性抽象，它強調的是這些類的成員特征中與（2）的那些部分，而用變元來表示與（3）的那些部分。
（1）A、包含多態(tài) 
B、參數(shù)多態(tài) 
C、過載多態(tài) 
D、強制多態(tài)
（2）A、具體對象無關 
B、具體類型無關 
C、具體對象相關 
D、具體類型相關
（3）A、具體對象無關 
B、具體類型無關 
C、具體對象相關 
D、具體類型相關 

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試題9

Cache的地址映像方式中，發(fā)生塊沖突次數(shù)最小的是( )
A.全相聯(lián)映像
B.組相聯(lián)映像
C.直接映像
D.無法確定的

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試題10

（）不是單元測試主要檢查的內容。
A．模塊接口
B．局部數(shù)據(jù)結構
C．全局數(shù)據(jù)結構
D．重要的執(zhí)行路徑

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