20春学期《计算机基础》在线平时作业2

adminhan

主板上不包含____。
A:内存插槽
B:PCI插槽
C:CPU插座
D:三孔插座

中央处理器CPU是指____。
A:运算器
B:控制器
C:运算器和控制器
D:运算器、控制器和主存

在Word中建立的文档文件，不能用Windows中的记事本打开，这是因为()。
A:文件是以.doc为扩展名
B:文件中含有汉字
C:文件中含有特殊控制符
D:文件中的西文有“全角”和“半角”之分

计算机的应用领域可大致分为6个方面，下列选项中属于这几项的是____。
A:计算机辅助教学、专家系统、人工智能
B:工程计算、数据结构、文字处理
C:实时控制、科学计算、数据处理
D:数值处理、人工智能、操作系统

利用计算机来模仿人的高级思维活动称为____。
A:数据处理
B:自动控制
C:人工智能
D:计算机辅助系统

在Windows中，用户可以对磁盘进行快速格式化，但是被格式化的磁盘必须是()。
A:从未格式化的新盘
B:无坏道的新盘
C:低密度磁盘
D:以前做过格式化的磁盘

HTTP的中文意思是()。
A:布尔逻辑搜索
B:电子公告牌
C:文件传输协议
D:超文本协议

下列哪些对矢量图和位图的描述是错误的？
A:矢量图是由数学公式计算获得的
B:Flash作为一种矢量动画创作软件，是无法处理位图的
C:位图适合表现真实的照片
D:矢量图的文件一般比较小，并且放大、旋转后不会失真

关于Internet，下列说法不正确的是____。
A:Internet是全球性的国际网络
B:Internet起源于美国
C:通过Internet可以实现资源共享
D:Internet不存在网络安全问题

多核CPU各内核之间通过____共享数据。
A:内存
B:二级缓存
C:硬盘
D:U盘

下列不属于计算机病毒特征的有____。
A:免疫性
B:潜伏性
C:破坏性
D:传染性

发送一个新的电子邮件之前，除了写好信的内容，填写信的主题外，还必须要()。
A:填写E-mail到达所经过的路径
B:填写发信人的电话号码
C:填写收信人的E-mail地址
D:填写邮件的编号

目前多媒体计算机中对动态图像数据压缩常采用____。
A:JPEG
B:GIF
C:MPEG
D:BMP

五笔字型是一种()汉字输入方法。
A:音码
B:形码
C:音形结合码
D:流水码

在EXCEL的图表中，水平X轴通常用来作为_____。
A:排序轴
B:分类轴
C:数值轴
D:时间轴

使用浏览器访问Internet上的Web站点时，看到的第一个画面叫____。
A:主页
B:Web页
C:文件
D:图像

现在流行的奔腾4处理器，它是()位的芯片。
A:16
B:32
C:64
D:128

下列叙述中，错误的是()。
A:软磁盘驱动器既可以作为输入设备，也可以作为输出设备
B:操作系统用于管理计算机系统的软、硬件资源
C:键盘上功能键表示的功能是由计算机硬件确定的
D:PC机开机时应先接通外部设备电源，后接通主机电源

音频文件格式有很多种，请问哪种音频文件不可能包含人的声音信号____。
A:音乐CD
B:MP3格式
C:MIDI格式
D:WAV格式

用某种方法伪装消息以隐藏它的内容的过程称为()。
A:消息
B:密文
C:解密
D:加密

<span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">U</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">盘处于写保护状态，以下可以进行的操作是（</span><span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'"> </span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">）。</span>
A:<font face="宋体">将</font><span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'" lang="EN-US">U</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">盘中的某个文件改名</span>
B:将<span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'" lang="EN-US">U</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">盘中的所有信息复制到</span><span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'" lang="EN-US">硬</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">盘</span>
C:<font face="宋体">在</font><span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'" lang="EN-US">U</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">盘上建立新文件</span>
D:显示<span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'" lang="EN-US">U</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">盘目录树</span>

<p style="TEXT-INDENT: -21pt; MARGIN: 0cm 0cm 12pt 21pt; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt" class="MsoNormal"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri">多媒体计算机的主要硬件必须包括（</span><span style="FONT-SIZE: 9pt"><font face="Calibri"> </font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri">）。</span></p>
A:<span style="FONT-SIZE: 9pt" lang="EN-US"><font face="Calibri">CD-ROM</font></span>
B:<span style="FONT-SIZE: 9pt" lang="EN-US"><font face="Calibri">EPROM</font></span>
C:网卡
D:<font face="宋体">音频卡与视频卡</font>

<span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">向</span><span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'" lang="EN-US">Excel</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">工作表的任一单元格输入内容后，都必须确认后才认可。确认的方法（</span><span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'"> </span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">）</span><span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'"> </span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">。</span>
A:双击该单元格
B:<font face="宋体">单击另一单元格</font>
C:按光标移动键
D:<font face="宋体">单击该单元格</font>

<span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">下列部件中属于外存储器的有（</span><span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'"> </span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">）</span><span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'"> </span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">。</span>
A:<span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'" lang="EN-US">RAM</span>
B:<span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'" lang="EN-US">EPROM</span>
C:U盘
D:<span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'" lang="EN-US">CD-ROM </span>

<span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">拨号入网条件有（</span><span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'"> </span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">）。</span>
A:<font face="宋体">由</font><span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'" lang="EN-US">ISP</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: 'Times New Roman'">提供的用户名、注册密码</span>
B:打印机
C:<font face="宋体">一台调制解调器</font><span style="FONT-FAMILY: Calibri; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'" lang="EN-US">(Modem)</span>
D:网卡

动态图像由于人眼睛的视觉滞留效应，当多幅图像连续放映时，就看到了所谓的动态图像。
A:错误
B:正确

<span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">局域网常用传输媒体有双绞线、同轴电缆、光纤三种，其中传输速率最快的是光纤。</span>
A:错误
B:正确

通过伪造用户的DNS请求的响应报文，可以把用户对目标域名的访问引入到一个伪造的站点，实现域名欺骗。
A:错误
B:正确

<span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">微型机中硬盘工作时，应特别注意避免强烈震动。</span>
A:错误
B:正确

微博是个人言论自由,想说什么说什么,想写什么写什么。
A:错误
B:正确

<span style="FONT-FAMILY: 宋体; FONT-SIZE: 9pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">软件通常分为操作系统和应用软件两大类。</span>
A:错误
B:正确

微博是一种展示工具,微信是一种联络工具。
A:错误
B:正确