最新计算机专业英语试题题库

1、1考试题库祝考试顺利计算机专业英语试题题库2009-06-16 16:022Data is a collection of un-organized facts, which can include words, numbers, images,and sounds. 数据是未经组织的事实的集合 , 数据可以包括单词 数字, 图像和声音.A computer consists of a variety of hardware components that work together withsoftware to perform calculations（计算）, organize data

2、, andcommunicate with othercomputer. 计算机由许多硬件部件构成 , 这些硬件与软件一起工 作,以便执行计算 , 组织数据及与其他计算机通信的任务 .These hardware components include input devices, output devices, a system unit,storage devices, and communications devices.硬件部件包括输入设备 , 输出设备 ,系统单元 , 存储设备和通信设备 .An input device allows a user to enter data and

3、commands into the memory of acomputer.输入设备让用户向计算机存储器输入数据和命令 .Storage differs from memory ,which can hold these items permanently（ 永久的 ） ，whereas memory holds these memory holds items only temporarily（暂时的）。外存储器与内存储器不同 , 外存储器能永久保存数据而内存储器仅临时保存 .A hard disk provides much greater storage capacity than a

4、floppy disk.硬盘能比软盘提供更大的存储容量 .Four common storage devices are a floppy disk drive, a hard disk drive, a CD-ROMdrive, and a DVD-ROM drive.四种常用的外存设备分别是：软盘驱动器,硬盘驱动器，CD-ROM 区动器和 DVD-RO3驱动器.The central processing unit (CPU), sometimes referred to as the processor,interprets( 解释 )and carries out the basic

5、instructions that operate a computer.中央处理器(CPU)有时也称处理器,用来解释并执行基本的计算机操作指令In the system unit, a computers memory stores data, instructions,and information.在系统单元中，计算机的存储器存储数据 , 指令和信息 .ROM(Read-Only Memory) is a memory chip that only can be read andused; that is , it cannot be modified(修改)。ROM 是一种只能读取,不

6、能修改的存储器 .Four commonly used input devices are the keyboard, the mouse, a microphone, and aPC camera. 四种常用的输入设备包括键盘 , 鼠标, 一个扩音器 和一个摄像头 .An optical scanner reads printed text and graphics and then translates the results intoa form computer can use.光学扫描仪读入印刷文本和图形 , 然后将其翻译成计算机能使用的形式 .Resolution typicall

7、y is measured in dots per inch (dpi), and is stated as the number ofcolumns and rows of dots.分辨率通常是由每英寸的像点数来衡量 , 并以行数与列数说明.Output is data that has been processed into useful form called information. That is, acomputer processes input into output.4经处理而成为有用的信息形式的数据就是输出 . 计算机将输入进行处理而成为 输出.To store such

8、 sounds, a computer converts the sounds from a continuous analogsignalinto a digital format. 为了存储声音，计算机将其从模拟信号转换成数字 格式.An output device is any computer component capable of conveying（ 传送 ）information to a user. 输出设备是能传送信息给用户的计算机部件 .Display devices include CRT monitors, flat-panel displays. 显示设备有 CRT 显示器,平板显示仪.Color monitors are used widely with all types of computers becausemost of today ssoftware is designed to display information in color. 由于目前大多数软件能显示彩色信息，彩色显示器被广泛用于所有类型的计算 机中。Each dot, called a pixel, is a single