試題1

在數(shù)據(jù)庫(kù)管理系統(tǒng)中， （  ） 不屬于安全性控制機(jī)制。
A、完整性約束
B、視圖
C、密碼驗(yàn)證
D、用戶授權(quán)

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試題2

可用于數(shù)字簽名的算法是（） 。
A．RSA
B．IDEA
C．RC4
D．MD5

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試題3

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試題4

why have formal documents 
first, writing the decisions down is essential.Only when one writes do the gaps appear and the    (1)    protrude(突出).The act of writing turns out to require hundreds of mini-decisions.and it is the existence of these that distinguishes clear.exact policies from fuzzy ones.
Second.the documents will communicate the decisions to others. The manager will be continually amazed that poliaes he took for common knowledge are totally unknown by some member of his team . Since his fundamentaljob is to keep everybody going in the  (2)directon. his chief daily task will be communication, not decision-making,and his documents will immensely   (3)   this load.
Finally.a manager,s documents give him a data base and checklist. By reviewing them (4)he sees where he is. and he sees what changes of emphasis or shifts in direction are needed.
The task of the manager is to develop a plan and then to realize it. But only the written plan is precise and communicable. Such a plan consists of documents on what.when. how much.where.and who.This small set of critical documents  (5)  much of the manager.s   work.if their comprehensive and critical nature is recognized in the beginning. the manager can approach them as friendly tools rather than annoying busywork. He will set his direction much more crisply and quickly by doing so.
（1）A.inconsistencies
B.consistencies
C.steadiness
D.adaptability
（2）A.other
B.different
C.another
D.same
（3）A.extend
B.broaden
C.lighten
D.release
（4）A.periodically
B.occasionally
C.infrequently
D.rarely
（5）A.decides
B.encapsulates
C.realizes
D.recognizes

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試題5

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試題6

電視系統(tǒng)采用的顏色空間中，其亮度信號(hào)和色度信號(hào)是相分離的。下列顏色空間中,（ ）顏色空間不屬于電視系統(tǒng)的顏色空間。
A、YUV
B、YIQ
C、YcbCr
D、HSL

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試題7

集合 （  ）。
A、可用正規(guī)式“ ”表示
B、不能用正規(guī)式表示，但可用非確定的有限自動(dòng)機(jī)識(shí)別
C、可用正規(guī)式“ ”表示
D、不能用正規(guī)式表示，但可用上下文無(wú)關(guān)文法表示

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試題8

在面向?qū)ο蠓椒ㄖ?，?）是父類和子類之間共享數(shù)據(jù)和方法的機(jī)制。子類在原有父類接口的基礎(chǔ)上，用適合于自己要求的實(shí)現(xiàn)去置換父類中的相應(yīng)實(shí)現(xiàn)稱為（2）。
（1）A．封裝
B．繼承
C．覆蓋
D．多態(tài)
（2）A．封裝
B．繼承
C．覆蓋
D．多態(tài)

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試題9

輸入受限的雙端隊(duì)列是指元素只能從隊(duì)列的一端輸入，但可以從隊(duì)列的兩端輸出，如下圖所示。若有8、1、4、2依次進(jìn)入輸入受限的雙端隊(duì)列，則得不到輸出序列 （ ） 。
A、2、8、1、4
B、1、4、8、2
C、4、2、1、8
D、2、1、4、8

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試題10

面向?qū)ο箝_發(fā)方法的基本思想是盡可能按照人類認(rèn)識(shí)客觀世界的方法來(lái)分析和解決問(wèn) 題，（ ）方法不屬于面向?qū)ο蠓椒ā?br />A、Booch
B、Coad
C、OMT
D、Jackson

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