综合知识
1/75
机器字长为n位的二进制数可以用补码来表示(1)个不同的有符号定点小数。
综合知识
2/75
计算机中CPU对其访问速度最快的是(2)。
综合知识
3/75
Cache的地址映像方式中,发生块冲突次数最小的是(3)。
综合知识
4/75
计算机中CPU的中断响应时间指的是(4)的时间。
综合知识
5/75
总线宽度为32bit,时钟频率为200MHz,若总线上每5个时钟周期传送一个32bit的字,则该总线的带宽为(5)MB/s。
综合知识
6/75
以下关于指令流水线性能度量的叙述中,错误的是(6)。
综合知识
7/75
(7)协议在终端设备与远程站点之间建立安全连接。
综合知识
8/75
安全需求可划分为物理线路安全、网络安全、系统安全和应用安全。下面的安全需求中属于系统安全的是(8),属于应用安全的是(9)。
综合知识
9/75
安全需求可划分为物理线路安全、网络安全、系统安全和应用安全。下面的安全需求中属于系统安全的是(8),属于应用安全的是(9)。
综合知识
10/75
王某是某公司的软件设计师,每当软件开发完成后均按公司规定编写软件文档,并提交公司存档。那么该软件文档的著作权(10)享有。
综合知识
11/75
甲、乙两公司的软件设计师分别完成了相同的计算机程序发明,甲公司先于乙公司完成,乙公司先于甲公司使用。甲、乙公司于同一天向专利局申请发明专利。此情形下,(11)可获得专利权。
综合知识
12/75
以下媒体中,(12)是感觉媒体。
综合知识
13/75
微型计算机系统中,显示器属于(13)。
综合知识
14/75
(14)是表示显示器在纵向(列)上具有的像素点数目指标。
综合知识
15/75
软件工程的基本要素包括方法、工具和(15)。
综合知识
16/75
在(16)设计阶段选择适当的解决方案,将系统分解为若干个子系统,建立整个系统的体系结构。
综合知识
17/75
某项目包含的活动如下表所示,完成整个项目的最短时间为(17)周。不能通过缩短活动(18)的工期,来缩短整个项目的完成时间。
综合知识
18/75
某项目包含的活动如下表所示,完成整个项目的最短时间为(17)周。不能通过缩短活动(18)的工期,来缩短整个项目的完成时间。
综合知识
19/75
风险的优先级通常是根据(19)设定。
综合知识
20/75
以下关于程序设计语言的叙述中,错误的是(20)。
综合知识
21/75
与算术表达式《(a+(b-c))*d《 对应的树是(21)。
综合知识
22/75
C程序中全局变量的存储空间在(22)分配。
综合知识
23/75
进程P1、P2、P3、P4和P5的前趋图如下所示:

若用PV操作控制进程P1、P2、P3、P4 、P5并发执行的过程,则需要设置5个信号
量S1、S2、S3、S4和S5,且信号量S1~S5的初值都等于零。下图中a、b 和c处应分别填写(23);d和e处应分别填写(24),f和g处应分别填写(25)。
综合知识
24/75
进程P1、P2、P3、P4和P5的前趋图如下所示:

若用PV操作控制进程P1、P2、P3、P4 、P5并发执行的过程,则需要设置5个信号
量S1、S2、S3、S4和S5,且信号量S1~S5的初值都等于零。下图中a、b 和c处应分别填写(23);d和e处应分别填写(24),f和g处应分别填写(25)。
综合知识
25/75
进程P1、P2、P3、P4和P5的前趋图如下所示:

若用PV操作控制进程P1、P2、P3、P4 、P5并发执行的过程,则需要设置5个信号
量S1、S2、S3、S4和S5,且信号量S1~S5的初值都等于零。下图中a、b 和c处应分别填写(23);d和e处应分别填写(24),f和g处应分别填写(25)。
综合知识
26/75
某进程有4个页面,页号为0~3,页面变换表及状态位、访问位和修改位的含义如下图所示。若系统给该进程分配了3个存储块,当访问前页面1不在内存时,淘汰表中页号为(26) 的页面代价最小。
综合知识
27/75
嵌入式系统初始化过程主要有3个环节,按照自底向上、从硬件到软件的次序依次为(27)。系统级初始化主要任务是(28)。
综合知识
28/75
嵌入式系统初始化过程主要有3个环节,按照自底向上、从硬件到软件的次序依次为(27)。系统级初始化主要任务是(28)。
综合知识
29/75
某公司计划开发一种产品,技术含量很高,与客户相关的风险也很多,则最适于采用(29)开发过程模型。
综合知识
30/75
在敏捷过程的方法中(30)认为每一个不同的项目都需要一套不同的策略、约定和方法论。
综合知识
31/75
软件配置管理的内容不包括(31)。
综合知识
32/75
某模块实现两个功能:向某个数据结构区域写数据和从该区域读数据。该模块的内聚类型为(32)内聚。
综合知识
33/75
正式技术评审的目标是(33)。
综合知识
34/75
自底向上的集成测试策略的优点包括(34)。
综合知识
35/75
采用McCabe度量法计算下列程序图的环路复杂性为(35)。
综合知识
36/75
以下关于软件可维护性的叙述中,不正确的是《可维护性(36)》。
综合知识
37/75
对象、类、继承和消息传递是面向对象的4个核心概念。其中对象是封装(37)的整体。
综合知识
38/75
面向对象(38)选择合适的面向对象程序设计语言,将程序组织为相互协作的对象集合,每个对象表示某个类的实例,类通过继承等关系进行组织。
综合知识
39/75
一个类可以具有多个同名而参数类型列表不同的方法,被称为方法(39)。
综合知识
40/75
UML中有4种关系:依赖、关联、泛化和实现。(40)是一种结构关系,描述了一组链,链是对象之间的连接;(41)是一种特殊/一般关系,使子元素共享其父元素的结构和行为。
综合知识
41/75
UML中有4种关系:依赖、关联、泛化和实现。(40)是一种结构关系,描述了一组链,链是对象之间的连接;(41)是一种特殊/一般关系,使子元素共享其父元素的结构和行为。
综合知识
42/75
UML图中,对新开发系统的需求进行建模,规划开发什么功能或测试用例,采用(42)最适合。而展示交付系统的软件组件和硬件之间的关系的图是(43)。
综合知识
43/75
UML图中,对新开发系统的需求进行建模,规划开发什么功能或测试用例,采用(42)最适合。而展示交付系统的软件组件和硬件之间的关系的图是(43)。
综合知识
44/75
下图所示为(44)设计模式,属于(45)设计模式,适用于(46)。
综合知识
45/75
下图所示为(44)设计模式,属于(45)设计模式,适用于(46)。
综合知识
46/75
下图所示为(44)设计模式,属于(45)设计模式,适用于(46)。
综合知识
47/75
某些设计模式会引入总是被用作参数的对象。例如(47)对象是一个多态accept 方法的参数。
综合知识
48/75
对高级语言源程序进行编译或解释的过程可以分为多个阶段,解释方式不包含(48)阶段。
综合知识
49/75
某非确定的有限自动机(NFA)的状态转换图如下图所示(q0既是初态也是终态),与该NFA等价的确定的有限自动机(DFA)是(49)。
综合知识
50/75
递归下降分析方法是一种(50)方法。
综合知识
51/75
若关系R (H,L,M,P)的主键为全码(All-key),则关系R的主键应(51)。
综合知识
52/75
给定关系模式R(A1,A2,A3,A4)上的函数依赖集F={A1A3->A2,A2->A3}。若将R分解为p ={( A1,A2),( A1,A3)},则该分解是(52)的。
综合知识
53/75
(53)算法采用模拟生物进化的三个基本过程《繁殖(选择)-> 交叉(重组)->变异(突变)》。
综合知识
54/75
部门、员工和项目的关系模式及它们之间的E-R图如下所示,其中,关系模式中带实下划线的属性表示主键属性。图中:
部门(部门代码,部门名称,电话)
员工(员工代码,姓名,部门代码,联系方式,薪资)
项目(项目编号,项目名称,承担任务)

若部门和员工关系进行自然连接运算,其结果集为(54)元关系。由于员工和项目之间关系之间的联系类型为(55),所以员工和项目之间的联系需要转换成一个独立的关系模式,该关系模式的主键是(56)。
综合知识
55/75
部门、员工和项目的关系模式及它们之间的E-R图如下所示,其中,关系模式中带实下划线的属性表示主键属性。图中:
部门(部门代码,部门名称,电话)
员工(员工代码,姓名,部门代码,联系方式,薪资)
项目(项目编号,项目名称,承担任务)

若部门和员工关系进行自然连接运算,其结果集为(54)元关系。由于员工和项目之间关系之间的联系类型为(55),所以员工和项目之间的联系需要转换成一个独立的关系模式,该关系模式的主键是(56)。
综合知识
56/75
部门、员工和项目的关系模式及它们之间的E-R图如下所示,其中,关系模式中带实下划线的属性表示主键属性。图中:
部门(部门代码,部门名称,电话)
员工(员工代码,姓名,部门代码,联系方式,薪资)
项目(项目编号,项目名称,承担任务)

若部门和员工关系进行自然连接运算,其结果集为(54)元关系。由于员工和项目之间关系之间的联系类型为(55),所以员工和项目之间的联系需要转换成一个独立的关系模式,该关系模式的主键是(56)。
综合知识
57/75
设某循环队列Q的定义中有front和rear两个域变量,其中,front指示队头元素的位置,rear指示队尾元素之后的位置,如下图所示。若该队列的容量为M,则其长度为(57)。
综合知识
58/75
设栈S和队列Q的初始状态为空,元素a b c d e f g依次进入栈S。要求每个元素出栈后立即进入队列Q,若7个元素出队列的顺序为b d f e c a g,则栈S的容量最小应该是(58)。
综合知识
59/75
某二叉树的先序遍历序列为c a b f e d g ,中序遍历序列为a b c d e f g ,则该二叉树是(59)。
综合知识
60/75
对某有序顺序表进行折半查找时,(60)不可能构成查找过程中关键字的比较序列。
综合知识
61/75
用某排序方法对一元素序列进行非递减排序时,若该方法可保证在排序前后排序码相同者的相对位置不变,则称该排序方法是稳定的。简单选择排序法排序方法是不稳定的,(61)可以说明这个性质。
综合知识
62/75
优先队列通常采用(62)数据结构实现,向优先队列中插入—个元素的时间复杂度为(63)。
综合知识
63/75
优先队列通常采用(62)数据结构实现,向优先队列中插入—个元素的时间复杂度为(63)。
综合知识
64/75
在n个数的数组中确定其第i(1≤i≤n)小的数时,可以采用快速排序算法中的划分思想,对n个元素划分,先确定第k小的数,根据i和k的大小关系,进一步处理,最终得到第i小的数。划分过程中,最佳的基准元素选择的方法是选择待划分数组的(64)元素。此时,算法在最坏情况下的时间复杂度为(不考虑所有元素均相等的情况)(65) 。
综合知识
65/75
在n个数的数组中确定其第i(1≤i≤n)小的数时,可以采用快速排序算法中的划分思想,对n个元素划分,先确定第k小的数,根据i和k的大小关系,进一步处理,最终得到第i小的数。划分过程中,最佳的基准元素选择的方法是选择待划分数组的(64)元素。此时,算法在最坏情况下的时间复杂度为(不考虑所有元素均相等的情况)(65) 。
综合知识
66/75
在下图所示的网络配置中,发现工作站B无法与服务器A通信。(66)故障影响了两者互通。
综合知识
67/75
以下关于VLAN的叙述中,属于其优点的是(67)。
综合知识
68/75
以下关于URL的叙述中,不正确的是(68)。
综合知识
69/75
DHCP协议的功能是(69);FTP使用的传输层协议为(70)。
综合知识
70/75
DHCP协议的功能是(69);FTP使用的传输层协议为(70)。
综合知识
71/75
Why Have Formal Documents?
Finally, writing the decisions down is essential. Only when one writes do the gaps appear and the (71) 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 policies he took for common knowledge are totally unknown by some member of his team . Since his fundamental job is to keep everybody going in the (72) directon, his chief daily task will be communication, not decision-making,and his documents will immensely (73) this load.
Finally,a manager,s documents give him a data base and checklist. By reviewing them (74) 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 (75) 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.
综合知识
72/75
Why Have Formal Documents?
Finally, writing the decisions down is essential. Only when one writes do the gaps appear and the (71) 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 policies he took for common knowledge are totally unknown by some member of his team . Since his fundamental job is to keep everybody going in the (72) directon, his chief daily task will be communication, not decision-making,and his documents will immensely (73) this load.
Finally,a manager,s documents give him a data base and checklist. By reviewing them (74) 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 (75) 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.
综合知识
73/75
Why Have Formal Documents?
Finally, writing the decisions down is essential. Only when one writes do the gaps appear and the (71) 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 policies he took for common knowledge are totally unknown by some member of his team . Since his fundamental job is to keep everybody going in the (72) directon, his chief daily task will be communication, not decision-making,and his documents will immensely (73) this load.
Finally,a manager,s documents give him a data base and checklist. By reviewing them (74) 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 (75) 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.
综合知识
74/75
Why Have Formal Documents?
Finally, writing the decisions down is essential. Only when one writes do the gaps appear and the (71) 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 policies he took for common knowledge are totally unknown by some member of his team . Since his fundamental job is to keep everybody going in the (72) directon, his chief daily task will be communication, not decision-making,and his documents will immensely (73) this load.
Finally,a manager,s documents give him a data base and checklist. By reviewing them (74) 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 (75) 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.
综合知识
75/75
Why Have Formal Documents?
Finally, writing the decisions down is essential. Only when one writes do the gaps appear and the (71) 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 policies he took for common knowledge are totally unknown by some member of his team . Since his fundamental job is to keep everybody going in the (72) directon, his chief daily task will be communication, not decision-making,and his documents will immensely (73) this load.
Finally,a manager,s documents give him a data base and checklist. By reviewing them (74) 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 (75) 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.