2023年12月31日来源:信管网 作者:cnitpm
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软件设计师每日一练试题内容(2023/12/30)
试题1
在IE浏览器中,安全级别最高的区域设置是()。
A.Internet
B.本地Intranet
C.可信站点
D.受限站点
查看答案
试题参考答案:D
试题解析与讨论:www.cnitpm.com/st/246123503.html
试题2
设一个包含n个顶点、e条弧的简单有向图采用邻接矩阵存储结构(即矩阵元素A[i][j]团等于1或0,分别表示顶点i与顶点j之间有弧或无弧),则该矩阵购非零元素数目为( )。
A. e
B.2e
C.n-e
D.n+e
查看答案
试题参考答案:A
试题3
分布式数据库系统中, ( )是指用户无需知道数据存放的物理位置。
A.分片透明
B.复制透明
C.逻辑透明
D.位置透明
查看答案
试题参考答案:D
试题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
查看答案
试题参考答案:A、D、C、A、B
试题解析与讨论:www.cnitpm.com/st/255139341.html
试题5
计算机感染特洛伊木马后的典型现象是 ( ) 。
A、程序异常退出
B、有未知程序试图建立网络连接
C、邮箱被垃圾邮件填满
D、Windows 系统黑屏
查看答案
试题参考答案:B
试题解析与讨论:www.cnitpm.com/st/81572809.html
试题6
语法制导翻译是一种()方法。查看答案
试题参考答案:C
试题7
现要对n个实数(仅包含正实数和负实数)组成的数组A进行重新排列,使得其中所有的负实数都位于正实数之前。求解该问题的算法的伪代码如下所示,则该算法的时间和空间复杂度分别为()。
i=0; j=n-1;
while i<jdo
while A[i]<0 do
i=i+1;
while A[j]>0 do
j=j-1;
if i<j do
交换A[i]和A[j];
A. A
B. B
C. C
D. D
查看答案
试题参考答案:C
试题8
将高级语言程序翻译为机器语言程序的过程中,常引入中间代码,其好处是()
A、有利于进行反编译处理
B、有利于进行与机器无关的优化处理
C、尽早发现语法错误
D、可以简化语法和语义分析
查看答案
试题参考答案:B
试题解析与讨论:www.cnitpm.com/st/270978631.html
试题9
函数t()、f()的定义如下所示,若调用函数t时传递给x的值为5,并且调用函数F()时,第一个参数采用传值(call by value)方式,第二个参数采用传引用(call by reference)方式,则函数t的返回值为( ) 。
A 33
B. 22
C. 11
D.负数
查看答案
试题参考答案:A
试题解析与讨论:www.cnitpm.com/st/252838217.html
试题10
继承是父类和子类之间共享数据和方法的机制。以下关于继承的叙述中,不正确的是(1)。有关下图中doIt()方法的叙述中,正确的是(2)。
(1)A.一个父类可以有多个子类,这些子类都是父类的特例
B.父类描述了这些子类的公共属性和操作
C.子类可以继承它的父类(或祖先类)中的属性和操作而不必自己定义
D.子类中可以定义自己的新操作而不能定义和父类同名的操作
(2)A.dolt()必须由Thing3实现,同时可能用Thing4实现
B.dolt()必须由Thing5实现
C.dolt()必须由Thing2、Thing3、Thing4和Thing5实现
D.dolt()已经由Thing1实现,因此无须其他类实现
查看答案
试题参考答案:D、A
试题解析与讨论:www.cnitpm.com/st/248912514.html
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