試題1

對于非空的二叉樹，設D代表根結點，L代表根結點的左子樹R代表根結點的右子樹。若對下圖所示的二叉樹進行遍歷后的結點序列為7 6 5 4 3 2 1，則遍歷方式是( )。

A.LRD
B.DRL
C.RLD
D.RDL

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試題2

網(wǎng)絡系統(tǒng)中，通常把( )置于DMZ區(qū)。
A．網(wǎng)絡管理服務器
B．Web服務器
C．入侵檢測服務器
D．財務管理服務器

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試題3

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試題4

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試題5

下圖所示的 UML 序列圖中，(1)表示返回消息，Account 應該實現(xiàn)的方法有(2)。

(1)A．xfer
B．check
C．evaluation
D．minus
(2)A．xfer0
B．xfen( )、plus( )和 minus( )
C．check( )、plus( )和 minus( )
D．xfar( )、evaluation( )、plus( )和minus( )

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試題6

Observe that for the programmer, as for the chef, the urgency of the patron（顧客）
may govern the scheduled completion of the task, but it cannot govern the actual completion.
An omelette（煎雞蛋）, promised in two minutes, may appear to be progressing nicely. But
when  it  has  not  set  in  two  minutes,  the  customer  has  two  choices—waits  or  eats  it  raw. Software customers have had  （1）  choices.Now I do not think software  （2）  have less inherent courage and firmness than chefs, nor than other engineering managers. But false  （3）  to match the patron's desired date is much more common in our discipline than elsewhere in engineering. It is very  （4）to make a vigorous, plausible, and job risking defense of an estimate that is derived by no quantitative method, supported by little data, and certified chiefly by the hunches of the managers.Clearly two solutions are needed. We need to develop and publicize productivity figures, bug-incidence figures, estimating rules, and so on. The whole profession can only profit from  （5）  such data. Until estimating is on a sounder basis, individual managers will need to stiffen their backbones and defend their estimates with the assurance that their poor hunches are better than wish derived estimates.
（1）A、no
B、the same
C、other
D、lots of
（2）A、testers
B、constructors
C、managers
D、architects
（3）A、tasks
B、jobs
C、works
D、scheduling
（4）A、easy
B、difficult
C、simple
D、painless
（5）A、sharing
B、excluding
C、omitting
D、ignoring

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試題7

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試題8

如果兩名以上的申請人分別就同樣的發(fā)明創(chuàng)造申請專利，專利權應授予 （ ） 。
A、最先發(fā)明的人
B、最先申請的人
C、所有申請人
D、協(xié)商后的申請人

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試題9

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試題10

若某計算機采用 8 位整數(shù)補碼表示數(shù)據(jù)，則運算  （ ）  將產(chǎn)生溢出。
A、-127+1
B、-127-1
C、127+1
D、127-1

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