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軟件設計師每日一練試題內(nèi)容(2022/2/11)
試題1: 在對程序語言進行翻譯的過程中,常采用一些與之等價的中間代碼表示形式。常用的中間代碼表示不包括()。
A.樹
B.后綴式
C.四元式
D.正則式
In a world where it seems we already have too much to do, and too many things to think about, it seems the last thing we need is something new that we have to learn.
But use cases do solve a problem with requirements: with (1 ) declarative requirements it's hard to describle steps and sequences of events.
Use cases, stated simply, allow description of sequences of events that, taken together, lead to a system doing something useful. As simple as this sounds, this is important. When confronted only with a pile of requiements, it's often(2 )to make sense of what the authors of the requirements really wanted the system to do. In the preceding example, use cases reduce the ambiguity of the requirements by specifying exactly when and under what conditions certain behavior occurs; as such, the sequence of the behaviors can be regarded as a requirement. Use cases are particularly well suited to capture approaches. Although this may sound simple, the fact is that (3 ) requirement capture approaches, with their emphasis on declarative requirements and "shall" statements, completely fail to capture fail to capture the (4 ) of the system's behavior. Use cases are a simple yet powerful way to express the behavior of the system in way that all stakeholders can easily understand.
But, like anything, use cases come with their own problems, and as useful as they are, they can be (5 ). The result is something that is as bad, if not worse, that the original problem. Therein it's important to utilize use cases effectively without creating a greater problem than the one you started with.
(1)A.plenty
B.loose
C.extra
D.strict
(2)A.impossible
B.possible
C.sensible
D.practical
(3)A.modern
B.conventional
C.different
D.formal
(4)A.statics
B.nature
C.dynamics
D.originals
(5)A.misapplied
B.applied
C.used
D.powerful
以下關于CMM的敘述中,不正確的是()。
A.CMM是指軟件過程能力成熟度模型
B.CMM棍據(jù)軟件過程的不同成熟度劃分了5個等級,其中,1級被認為成熟度最高,5級被認為成熟度最低
C.CMMI的任務是將已有的幾個CMM模型結合在一起,使之構造成為“集成模型”
D.采用更成熟的CMM模型,一般來說可以提高最終產(chǎn)品的質(zhì)量
以下關于計算機系統(tǒng)中斷概念的敘述中,正確的是 ( ) 。
A、由 I/O 設備提出的中斷請求和電源掉電都是可屏蔽中斷
B、由 I/O 設備提出的中斷請求和電源掉電都是不可屏蔽中斷
C、由 I/O 設備提出的中斷請求是可屏蔽中斷,電源掉電是不可屏蔽中斷
D、由 I/O 設備提出的中斷請求是不可屏蔽中斷,電源掉電是可屏蔽中斷
若采用鄰接矩陣來存儲簡單有向圖,則其某一個頂點i的入度等于該矩陣( )。
A、第i行中值為1的元素個數(shù)
B、所有值為1的元素總數(shù)
C、第i行及第i列中值為1的元素總個數(shù)
D、第i列中值為1的元素個數(shù)
CPU是在( )結束時響應DMA請求的。
A.一條指令執(zhí)行
B.一段程序
C.一個時鐘周期
D.一個總線周期
A類網(wǎng)絡是很大的網(wǎng)絡,每個A類網(wǎng)絡中可以有(1)個網(wǎng)絡地址。實際使用中必須把A類網(wǎng)絡劃分為子網(wǎng),如果指定的子網(wǎng)掩碼為255.255.192.0,則該網(wǎng)絡被劃分為(2)個子網(wǎng)。
(1)A.210
B.212
C.220
D.224
(2)A.128
B.256
C.1024
D.2048
試題解析與討論:m.xiexiliangjiufa.com/st/2472429099.html 10000 張分辨率為 1024×768 的真彩(32 位)圖片刻錄到 DVD 光盤上,假設每張光盤可以存放 4GB 的信息,則需要 ( ) 張光盤。
A、7
B、8
C、70
D、71
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