计算机专业英语题题库

计算机专业英语试题题库

2009-06-16 16:02

Data 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 with software to perform calculations(计算), organize data, and communicate with other computer. 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 commands into the memory of a computer.

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 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-ROM drive, 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驱动器和DVD-ROM驱动器.

The central processing unit (CPU), sometimes referred to as the processor, interprets(解释)and carries out the basic 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 computer’s 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 and used; that is , it cannot be modified(修改)。 ROM是一种只能读取,不能修改的存储器.

Four commonly used input devices are the keyboard, the mouse, a microphone, and a PC 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 into a 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 typically is measured in dots per inch (dpi), and is stated as the number of columns 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 proces