- 1
-
●Comp
- arisons were drawn
- between the development of television in the 20th
- century an
- d the diffusion of printing in the 15th and 16th centuries.Yet much had happened between.As was discussed before,it was not until the 19th century that the newspaper became the dominant preelectronic mediam,following in the wake of the pamphlet and the bo
- It is generally recognized,however,that the introduction of the computer in the early 20th century,followed by the invention of the integrated circuit during the 1960s,radically changed the process,although its impact on the media was not immediately appa
- It was within the computer age that the term "information society" began to be widely used to describe the(72)within which we now live.The communications revolution has (73)both work and leisure and how we think and feel both about place and time,but ther
- A.网桥 &n
- bsp; B.路由器
- C.网关
- D.转发器 (64) ,(65) A.集线器
- B.协议转换器
- C.网桥
- D.路由器
- 3
-
●Comp
- arisons were drawn
- between the development of television in the 20th
- century an
- d the diffusion of printing in the 15th and 16th centuries.Yet much had happened between.As was discussed before,it was not until the 19th century that the newspaper became the dominant preelectronic mediam,following in the wake of the pamphlet and the bo
- It is generally recognized,however,that the introduction of the computer in the early 20th century,(66) by the invention of the integrated circuit during the 1960s,radically changed the process,although its impact on the media was not immediately(67).As t
- It was within the computer age that the term "information society" began to be widely used to describe thecontext within which we now live.The communications revolution has influenced both work and leisure and how we think and feel both about place and ti
- 4
-
●在头指针为he
- ad且表长大于1的单循环链表中,指针p指向表中某个结点,若p→*next→*next=head,则&n
- bsp;(55) 。 (55) A.p指向头结点
- B.p指向尾结点
- C.*p的直接后继是头结点
- D.*p的直接后继是尾结点
- AL制25帧/秒为例,已知一帧彩色静态图像(RG
- B)的分辨率为256×256,每一种颜色用16bit表示,则该视频每秒钟的数据量为 (58) 。全电视信号主要由 (59) 组成。在视频信号实时处理技术中,如果电视扫描的正程时间为52.2ms,分辨率为512×512,实时意味着处理每个像素的时间近似为 (60) 。 (57) A.视频捕获卡
- B.视频捕获卡、电影卡
- C.视频捕获卡、电影卡、电视卡
- D.视频捕获卡、电影卡、电视卡、视频转换卡 (58) A.256×256 ×3 ×16×25bps
- B.512×512 ×3×8×25bps
- C.256×256 ×3×8×25bps
- D.512×512 ×3×16×25 bps (59) A.图像信号、同步信号、消隐信号
- B.图像信号、亮度信号、色度信号
- C.图像信号、复合同步信号、复合消隐信号
- A.Q.front==NULL &n
- bsp; B.Q.rear==NULL
- C.Q.front==Q.rear
- D.Q.front!=Q.rear
- A.O(1) &n
- bsp; B.O(n)
- C.O(nlogn)
- D.O(n<SUP>2</SUP>)
- A.逻辑结构不同 &n
- bsp; B.存储结构不同
- C.所包含的运算个数不同
- D.限定插入和删除的位置不同
- A.CAD &n
- bsp; B.
- CAI
- C.CAM
- D.CASE (46) A.开放性和可剪裁性
- B.开放性和不可剪裁性
- C.封闭性和可剪裁性
- D.封闭性和不可剪裁性 (47) A.数据类型
- B.数据模式
- C.数据接口规范
- A.n &n
- bsp; B.n-1
- C.2n-1
- D.2n
- A.图形 &n
- bsp; B.文件
- C.元组
- D.文件系统 (39) A.关系数据库
- B.网状数据库
- C.层次数据库
- D.空间数据库 (40) A.关系数据库
- B.网状数据库
- C.层次数据库
- D.面向对象数据库 (42) A.网状数据库
- A.383 &n
- bsp; B.384
- C.385
- D.386
- A.(102,87,100,79,82,62,84,42,22,12,68) &n
- bsp; B.(102,100,87,84,82,79,68,62,42,22,12)
- C.(12,22,42,62,68,79,82,84,87,100,102)
- D.(102,87,42,79,82,62,68,100,84,12,22)
- A.包含多态 &n
- bsp; B.参数多态
- C.过载多态
- D.强制多态 (36) A.具体对象无关
- B.具体类型无关
- C.具体对象相关
- D.具体类型相关 (37) A.具体对象无关
- B.具体类型无关
- C.具体对象相关
- D.具体类型相关
- A.封装 &n
- bsp; B.消息传递
- C.引用
- D.继承 (32) A.封装
- B.消息传递
- C.引用
- D.继承 (33) A.引用
- B.继承
- C.封装
- D.多态 (34) A.定义与实现
- A.DES的算法是公开的 &n
- bsp; B.DES的密钥较短
- C.
- DES除了其中S盒是非线性变换外,其余变换均为线性变换
- D.DES的算法简单
- AN语言程序通常都在商业领域方面应用广范 ⑥使用解释程序时,因为是逐句地翻译执行源程序的语句,所以可以逐条语句排错 ⑦汇编语言的功能是将汇编语言书写的源程序翻译成由机器指令和其他信息组成的目标程序 ⑧任何一种汇编语言的每一语句都能对应一条机器语言指令 ⑨连接装配程序可以把经解释程序产生的目标程序变成可执行的机器语言程序&nb
- bsp; B.①③④⑥⑦
- C.②④⑥⑧⑨
- D.②④⑦⑧⑩
- A.信息 &n
- bsp; B.分组
- C.帧
- D.比特流
- A.单元 &n
- bsp; B.系统
- C.集成
- D.确认
- A.Shell排序是稳定的 &n
- bsp; B.快速排序是稳定的
- C.堆排序是稳定的
- D.都不稳定 (24) A.快速排序
- B.堆排序
- C.归并排序
- D.基数排序 (25) A.N2-1
- B.N-1
- C.N2
- D.N+1 (26) A.顺序文件
- A.用户管理 &n
- bsp; B.文件管理
- C.中断管理
- D.I/O管理 (18) A.数据管理
- B.I/O管理
- C.中断管理
- D.设备管理 (19) A.网络
- B.多任务
- C.单任务
- D.实时 (20) A.PascaL
- A.技术要求 &n
- bsp; B.技术术语
- C.技术依据
- D.技术标准
- A.代号 &n
- bsp; B.顺序号
- C.编号
- D.年号
- A.Q/XXX &n
- bsp; B.DBXX
- C.QJ
- D.GSBXXX
- A.易理解性、易测试性和易修改性 &n
- bsp; B.易使用性、易维护性和易移植性
- C.易使用性、易维护性和效率
- D.易理解性、安全性和效率 (10) A.名字长度越短越好,以减少源程序的输入量
- B.尽量消除语句,关键字等之间的空格,来缩短源程序语句
- C.尽量用关键字作名字,以使名字标准化
- D.选择含义明确的名字,以正确提示所代表的实体 (11) A.把多个短的语句写在同一行中,以减少源程序的行数
- B.尽量使用标准文本以外的有特殊功效的语句,以提高程序的功效
- C.尽量消除表达式中的括号,以简化表达式
- D.避免使用测试条件"非",以提高程序的可读性 (12) A.为每个语句作注解
- A.3 &n
- bsp; B.1.6
- C.0.725
- D.1.5 (3) A.不变
- B.提高
- C.降低
- D.无法确定
- A.水平垂直奇偶校检 &n
- bsp; B.循环求和
- C.循环冗余
- D.正比率 (5) A.模二除法
- B.定点二进制除法
- C.二-十进制除法
- D.循环移位法 (6) A.1100101010111
- B.110010101010011
- C.11001010101011100
- D.110010101010101 (7) A.可纠正一位差错
- 28
-
●假设高速缓存C
- ache工作速度为主存的5倍,且Cache被访问命中的概率为90%,则采用Cache后,能使整个存储系统获得加速比Sp为&n
- bsp;(1) 。 (1) A.3.57
- B.5
- C.4.21
- D.5.17