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計(jì)算機(jī)軟件水平考試軟件設(shè)計(jì)筆試考前練習(xí)題
The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable _ (1) _ of the technical requirements for the software product.
During the requirements definition phase, the requirements definition team uses an iterative process to expand a broad statement of the system requirements into a complete and detailed specification of each function..that the software must perform and each _ (2) _ that it must meet. The starting point is usually a set of high level requirements from the _ (3) _ that describe the project or problem.
In either case, the requirement definition team formulates an overall concept for the system and then defines _ (4) _ showing how the system will be operated publishes the system and operations concept document and conducts a system concept review (SCR).
Following the SCR, the team derives _ (5) _ requirements for the system from the high level requirements and the system and operations concept. Using structured or object-oriented analysis. the team specifies the software functions and algorithms needed to satisfy each detailed requirement.
(1)A.function B.definition C.specification D.statement
(2)A.criterion B.standard C.model D.system
(3)A.producer B.customer C.programmer D.analyser
(4)A.rules B.principles C.scenarios D.scenes
(5)A.detailed B.outlined C.total D.complete
參考答案：C A B C A
在分支-限界算法設(shè)計(jì)策略中，通常采用_(1)_搜索問(wèn)題的解空間。
(1)A.深度優(yōu)先 B.廣度優(yōu)先
C.自底向上 D.拓?fù)湫蛄?/p>
●在下列算法設(shè)計(jì)方法中，_(2)_在求解問(wèn)題的過(guò)程中并不從整體最優(yōu)上加以考慮，而是做出在當(dāng)前看來(lái)是最好的選擇。利用該設(shè)計(jì)方法可以解決_(3)_問(wèn)題。
(2)A.分治法 B.貪心法
C.動(dòng)態(tài)規(guī)劃方法 D.回溯法
(3)A.排序 B.檢索
C.背包 D.0/1背包
●以關(guān)鍵字比較為基礎(chǔ)的排序算法在最壞情況下的計(jì)算時(shí)間下界為O(nlogn)。下面的排序算法中，最壞情況下計(jì)算時(shí)間可以達(dá)到O(nlogn)的是_(4)_;該算法采用的設(shè)計(jì)方法是_(5)_。
(4)A.歸并排序 B.插入排序 C.選擇排序 D.冒泡排序
(5)A.分治法 B.貪心法 C.動(dòng)態(tài)規(guī)劃方法 D.回溯法
答案:B B C A A
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